<< UW1Pj*}MHKfF0AB1z h_ }9S}#ODt V&CtB#m=@%(#5s/^d2 B \!e-*GvkSi>A r:~,KPE/GdO0Rz!}c2T%Ap$zT8Ax"X],~BGo/GZ| Molecular Formula. HW v@{HHTf`bd ? rT Hydrophobic and hydrophilic membranes for filtration and venting applications. Molecular Weight:174.107 g/mol (anhydrous) 210.146 g/mol (dihydrate) Chemical Formula: Na2S2O4. %PDF-1.4 Explanation of pictograms. Promoting excellence in science education and outreach. A new class of spectrophotometers for water analysis. C1C* ?mFeFYL_%1]fy cU0ZTF%L$sbyYYb2t3d3fpdRa3C7K/P&q5K#Sc6cFag23@r;n;C ? Wash down the sides of the tube with a small amount of water. Earlier this month, Scientific Update, a Mayfield, UKbased firm that holds conferences and training courses for industrial chemists and chemical engineers, featured Rongalite as its Reagent of the Month. Explore the interesting world of science with articles, videos and more. 2023 Merck KGaA, Darmstadt, Germany and/or its affiliates. h1AQs\Iv0 n]6h3,&E()JR6v9jyzz~H@o(9C0G",m $ < wls0jI)0MA6.ea;{x_%:Ox$chrz$3CLgL$2xf~7Dqnr& ?W) If a purer product is desired the crude material (, 1,4-Phthalazinedione, 5-amino-2,3-dihydro-, 52 g. (about 0.15 mole) of the equimolecular mixture of. Applications Products Services Support. Sodium hydrosulfite . Primary and secondary antibodies, blockers and custom services. %PDF-1.4 Sodium Hydrosulfite >80 7775-14-6 231-890- Na 2 S 2 O 4 174.11 g/mol 4. Sodium dithionite MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. : 7727-73-3 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratory chemicals, Synthesis of substances 1.3 Details of the supplier of the safety data sheet . Approximately 300,000 tons were produced in 1990. Sodium hydrosulfide is the chemical compound with the formula NaHS. >> It is usually available in 5 gram sachets termed hydrosulfite after the antiquated name of the salt. 20 Sodium dithionate (alias: Sodium hydrosulfite) 7775-14-6 21 1-Amino-9,10-anthraquinone 82-45-1 . Sodium dithionite is stable when dry, but aqueous solutions deteriorate due to the following reaction: This behavior is consistent with the instability of dithionous acid. w>Hv,_y1Z~)9!c^l=m"s}fzgu|)IFCovZ|P{-Bq6m;}C7`o{rfF=SC}. Find a chemistry community of interest and connect on a local and global level. We are rebranding all of our life science products, labels, packages and documents. Sodium dithionite can also be used for water treatment, aquarium water conditioners, gas purification, cleaning, and stripping. Details of the supplier of the safety data sheet Sodium hydrosulfite MSDS Section 1: Chemical Product and Company Identification Product Name: Sodium hydrosulfite Catalog Codes: SLS3463, SLS1246 CAS#: 7775-14-6 RTECS: JP2100000 TSCA: TSCA 8(b) inventory: Sodium hydrosulfite CI#: Not applicable. X`I%&/m{JJt`$@iG#)*eVe]f@{{;N'?\fdlJ!?~|? In absence of air, it decomposes quickly above 150C to sodium sulfite, sodium thiosulfate, sulfur dioxide and trace amount of sulfur. Structure Search. Your fast track through regulatory challenges.. Functional excipients to enhance bioavailability. [ 1] It appears that your browser has JavaScript disabled. sodium hydrosulfite or sodium hyposulfite) is a relatively inexpensive compound which has long been used exten . Details of the supplier of the safety data sheet Learn how ACS can help you stay ahead in the world of chemistry. Merck KGaA, Darmstadt, Germany, 2014. Sodium formaldehydesulfoxylate (SFS) is a long name for a rather small molecule. 0 A student reacted 3-nitrophthalic acid with hydrazine to obtain 0.55 g of crude 3-nitrophthalhydrazide which has to react with 3g of sodium hydrosulfite dihydrate. Sodium dithionite is produced industrially by reduction of sulfur dioxide. is virtually insoluble in aqueous solutions. [4], "Sodium hydrosulfite" redirects here. It is part of the Kodak Direct Positive Film Developing Outfit. Create the perfect solution - match and clear hexagones. Synonyms: Sodium hydrosulfite, Sodium hypodisulfite. Sodium dithionite dihydrate is very sensitive toward atmospheric oxygen in the finely crystalline state and it is oxidized under heat development, therefore, all further information refers to anhydrous sodium dithionite [164]. Structure [ edit] The structure has been examined by Raman spectroscopy and single-crystal X-ray diffraction. First-aid measures Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. It finds application in water treatment, gas purification, cleaning, leather, polymers, photography, and many others. Search Within. Formate has also been used as the reductant. xK+G47Vzo6m>dz,LEzEvS#Z__ Inhalation Move casualty to fresh air and keep at rest. 2- This material is sufficiently pure for most purposes. endstream endobj 19 0 obj <> endobj 20 0 obj <> endobj 21 0 obj <>stream NaSH and sodium sulfide are used industrially, often for similar purposes. In addition, sodium dithionite is often used in soil chemistry experiments to determine the amount of iron that is not incorporated in primary silicate minerals. recording, scanning or Exposure to moisture either from humid air or from small amounts of water can result in . [12], It is used in Kodak fogging developer, FD-70. United States Copyright . 1. Thank you! 20, 197625101[8], 51261323, Hydrosulfit: Der Evergreen unter den Textilhilfsmitteln wird 100, https://ja.wikipedia.org/w/index.php?title=&oldid=87293492. [1], A weak S-S bond is indicated by the S-S distance of 239 pm, which is elongated by ca. Specifications Safety and Handling DANGER! Inhalation Move casualty to fresh air and keep at rest. "R}~Q:~pgg'"l/O:OV~ @zo7g;)K;=d'}z8}7w7?Iuw?w~ikK^^'d4k;g_u_LOC6($uiz["Dw#u`^D23uO4D~PD<.O3@MG_2)QZ>f.to_wv~} Sign in. Copyright 1921-2023 by Organic Syntheses, Inc.All Rights Reserved. oBmP M\D@R%Up Sodium hydrosulfite dihydrate | H4Na2O6S2 - PubChem Apologies, we are having some trouble retrieving data from our servers. References: 1) Wikipedia: Sodium dithionite . ^Uu}u+"]1PAlCUTsRuBJU3 myb Round your answer to the nearest tenth. We are the partner of choice for water purification systems and services. crystalline dihydrate is unstable, as might have been ex . 2 H2O, MW 210.2). 1- A student reacted 3-nitrophthalic acid with hydrazine to obtain 0.84 g of crude 3-nitrophthalhydrazide which has to react with 3g of sodium hydrosulfite dihydrate. 1 0 obj Chem., 1980, 45 (21), pp 41264129. In the presence of aldehydes, sodium dithionite reacts either to form -hydroxy-sulfinates at room temperature or to reduce the aldehyde to the corresponding alcohol above a temperature of 85C. Being water-soluble, sodium dithionite is used as a reducing agent in some industrial dyeing processes. Use of scoop contaminated with sodium dithionite for sodium chlorite caused ignition of latter. 1044 0 obj <>/Encrypt 1025 0 R/Filter/FlateDecode/ID[<568E62D7F07DC44CAC2D0F3E698802CA>]/Index[1024 34]/Info 1023 0 R/Length 94/Prev 185018/Root 1026 0 R/Size 1058/Type/XRef/W[1 2 1]>>stream Collaborate with scientists in your field of chemistry and stay current in your area of specialization. 1024 0 obj <> endobj Solid NaSH is colorless. Find the products and services for your process. Its main uses are in cloth and paper manufacture as a makeup chemical for sulfur used in the kraft process, as a flotation agent in copper mining where it is used to activate oxide mineral species, and in the leather industry for the removal of hair from hides. Thus, solutions of sodium dithionite cannot be stored for a long period of time.[3]. /Producer(Sub Systems, Inc.)/CreationDate(D:20211224055406+05'00')/ModDate(D:20211224055406+05'00')/Creator(Sub Systems, Inc.) We use cookies to help understand how people use our website. Polymeric Microspheres and Magnetic Beads, Novabiochem Peptide and DNA Synthesis Reagents, Analytics and Sample Preparation Services, BioReliance Cell and Gene Therapy Testing Services, Calibration, Verification and Suitability Testing, Process Solutions: Portfolio Announcements, Sodium hydrosulfite, Sodium hypodisulfite, 4.2 Pyrophoric and self-heating hazardous materials. Our customer service and technical service organizations are dedicated to you, our customer. Fast, safe transfer of plates to isolator. 231-890- RTECS JP2100000 Na2S2O4 174.107 g/mol 2.19 g/cm3 52 C, 325 K, 126 F EU Harmful (Xn) EU Index 016-028-00-1 NFPA 704 3 2 1 R R7, R22, R31 S (S2), S7/8, S26, S28, S43 100C 200C (25 C)(100 kPa) % %PDF-1.5 % The chief impurities are small amounts of inorganic salts and a trace of the unreduced nitro compound. % ~J;M! Operating in the U.S. & Canada as MilliporeSigma. 2H 2 O. SFS has a long history: Select Attribute Select Attribute Select Attribute |g"3w8qh/~w?;M_0Ltj';O{Wr{/gq:?1{w.]X9TL3l9p\}0"~{VN Please enable JavaScript and reload this page. GA'l.AP< In a 1922 article, Frederick W. Heyl and Frank E. Greer of Upjohn. stream In addition to the textile industry, this compound is used in industries concerned with leather, foods, polymers, photography, and many others, often as a decolourising agent. 93 0 obj <>stream >> Sodium Aluminium Fluoride Formula - manufacturer, factory, supplier from China Titanium Dioxide Rutile Aluminium Zirconium Surface Citric Acid And Sodium Citrate .2kkt#yXcwDE &LC^-A>*f]>$Xa@V]C(\vLxHd^e7 lt;21: cB8z7Kcq%L1aJ64o}(X(Kx+N)O8+gK bR|A.$1Rf`a3\ 2. l$,>KwjPQI,cg4Sz8sJ hV5Z S0uy]F?Gn:=7,KirfMxiFJn"0r)"U(ta%+JAns5]KH_CFc9)S$BL!h3BZ/.05N *) =U9/eu8,*S&N2`p ?W?b2mG[~2)/<%w wU$Y& !m{^hU$6$\Cu+Pyj>HJht&XW Chemical Abstracts Nomenclature (Collective Index Number); During this time some product may begin to crystallize. Upjohn is now part of Pfizer. The resulting nitroarene benzamides 3 were split into equal portions of 50 mg each, and treated with either 2 mL of 0.5 M aqueous sodium hydrosulfite/0.5 M potassium carbonate for 16 h at rt, or 2 mL of 1 M tin(II)chloride dihydrate in DMF at 50C for 16 h to give the resin-bound reduced products 4. F"%TAOC*FO}P,L)Sp#yU;:Mb;x0q2KBm/:iD(TYY?|3qO5\R,jUnn$j$(x0 Q5;6vogEyx"Aul)})v*I@.1__M"9I:`xXG %%EOF Sodium formaldehydesulfoxylate (SFS) is a long name for a rather small molecule. In a short 1908 US patent assigned to Heyden Chemical Works (New York), Bruno R. Seifert and Otto W. Meves reduced formaldehyde and sulfur dioxide with zinc dust to a paste containing a zinc formaldehydesulfoxylate that could be converted to the sodium salt with sodium hydroxide or carbonate. If not breathing, give artificial respiration. Sodium Hydrosulfite >80 7775-14-6 231-890- Na 2 S 2 O 4 174.11 g/mol 4. 4 0 obj 1,4-Phthalazinedione, 5-amino-2,3-dihydro-, It is the an active ingredient in "Iron Out Rust Stain Remover", a commercial rust product.[9]. Contact with acids liberates very toxic gas. It is also observed that 35S undergoes rapid exchange between S2O42 and SO2 in neutral or acidic solution, consistent with the weak S-S bond in the anion.[3]. Sodium dithionate dihydrate | H4Na2O8S2 | CID 57346125 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . otherwise, except as permitted under Sections 107 or 108 of the 1976 At pH 7, the potential is -0.66 V compared to the normal hydrogen electrode. This is used in the second step in processing black and white positive images, for making slides. The product quantity has been adjusted. How many equivalents of Na2S2O4 x 2H2O are taken per each equivalent of 3-nitrophthalhydrazide? retrieval system or transmitted (Select up to 3 total.) stream Recognizing ACS local sections, divisions and other volunteers for their work in promoting chemistry. It can be used to precipitate other metal hydrosulfides, by treatment of aqueous solutions of their salts with sodium hydrosulfide. In the case of sulfur dyes and vat dyes, an otherwise water-insoluble dye can be reduced into a water-soluble alkali metal salt (e.g. FIRST-AID MEASURES Eyes Rinse with plenty of water for at least 15 minutes and seek medical attention. Uses advised against Food, drug, pesticide or biocidal product use. Pioneering excellence with Steritest Symbio Pumps. Appendix << /Length 5 0 R /Filter /FlateDecode >> Sodium hydrosulfide hydrate | H3NaOS | CID 16211346 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . <> eqo This compound is the product of the half-neutralization of hydrogen sulfide ( H2S) with sodium hydroxide (NaOH). umbUB4;Y;g. Our portfolio of innovative products, services and solutions. The molecule can be notable for its current or historical importance or for any quirky reason. Technical Divisions Use only under a chemical fume hood. An invalid quantity was specified. Identification Product Name Sodium hydrosulfite Cat No. It is even used domestically as a decoloring agent for white laundry, when it has been accidentally stained by way of a dyed item slipping into the high temperature washing cycle. Hygroscopic. Kenneth L. Williamson "Reduction of Indigo: Sodium Hydrosulfite as a Reducing Agent" J. Chem. [10] Potassium ferricyanide is usually used as an oxidizing chemical in such experiments (Eo' ~ .436 V at pH 7). No part of this Website or Database may be reproduced, stored in a If breathing is difficult, give oxygen. It also goes by the name sodium hydroxymethanesulfinate or, most commonly, its trade name Rongalite. 202 Zinc acetate dihydrate 5970-45-6 203 Allyl acetate 591-87-7 204 Cyclohexyl acetate 622-45-7 205 Hexyl acetate 142-92-7 Explore Career Options May cause pulmonary edema. Find more information on this substance at: PubChem , PubMed. Reacts with oxidizing agents, acidic materials, moisture. Understanding Low-Pressure Hydropyrolysis of Lignin Using Deuterated . : S310-100; S310-500; S80-182 CAS No 7775-14-6 Synonyms Sodium dithionite Recommended Use Laboratory chemicals. pJ:uv?nrIRqhv8*>=mf0?jd&Xqnat* .GDwmQ^HWK+uV[=KJ][z_X)l-i{OphOANgmE]#4)Jt3jS.atmI#pZ2?T^BIZ,NL0`nnMaI;1WM_|m+q%~hgYfs]fc]MeQ} _.^IJb3ISv=KB^}Uz~q=JUtefMU}Xr)]IsM6l Synonym: Blankit; Burmol; Hydros; Hydrosulfite R Conc; Sodium Molybdate Dihydrate Revision Date 24-Dec-2021 Component CAS No Weight % Sodium molybdate dihydrate 10102-40-6 100 Sodium molybdate 7631-95- - 4. Hence, iron extracted by sodium dithionite is also referred to as "free iron." This reduction is crucial for the process because the oxidized form of most of these dyes (indigo, indanthrenes, etc.) Educ., 1989, volume 66, p 359. Today SFS is manufactured from sodium dithionite (Na2S2O4) and formaldehyde. 1155 Sixteenth Street, NW, Washington, DC 20036, USA |service@acs.org|1-800-333-9511 (US and Canada) | 614-447-3776 (outside North America), Copyright 2023 American Chemical Society. General Information: Structure: CAS Number: 7775-14-6. Products Building Blocks Explorer Technical Documents Site Content Papers Genes Chromatograms. Uncover the Chemistry in Everyday Life. Sodium hydrosulfite is used as a reducing agent in aqueous solutions, sulfonating agent , chelating agent and decolorizing agent in organic reactions. % "gacX1Vp##lqqI5agXc3A0A%0,R)GlE"av`Xd;0,g"c"*1/](wY7Dy~,o@)7nEibG(P0:-:b3\6,:sxwgSc1v8_eZ,'*6Y2i0=4q~wnG\W]$6uOezwpY.2eV}OIMng'lT]S.=^l]'r>n?9T_6eZE+Ln^/b The question of mechanism remains unclear, however, and several alternative explanations exist. The quantity of sodium hydrosulfite dihydrate employed is sufficient for the reduction of only 0.133 mole of nitro compound; the weight of the purified amino compound corresponds to about 80% of the theoretical yield calculated on the assumption that the hydrosulfite is the limiting reagent. Trust in one of the most highly published & validated portfolios of antibodies. The solution 'of sodium hydrosulfite in water (preferably about 20%) is treated with about 250-300 parts of absolute ethanol and 120 parts of sodium chloride per 100 parts of sodium. 1 0 obj ACS Fall 2023 Call for Abstracts, Launch and grow your career with career services and resources. In the May 1949 issue of an Upjohn house publication, Heyl was referred to as the Father of Upjohn Research. H2O "hydrosulfite de soude" [4]1881 Na2S2O4 [5]1905BASF (Max Bazlen) BASF (Hermann Wolf) 30[6][7] This Website requires your browser to be JavaScript enabled. Converge, Intensify and Evolve. Explore, interact. Restek Products - NEW Emerald Scientific. [3], Thousands of tons of NaSH are produced annually. It also goes by the name sodium hydroxymethanesulfinate or, most commonly, its trade name Rongalite. 2 H 2O, MW 210.2). Training programs and seminars designed for you. Wash down the sides of the tube with a small amount of water. endstream endobj 1025 0 obj <>>>/Filter/Standard/Length 128/O(OwNvc3e5N5)/P -1052/R 4/StmF/StdCF/StrF/StdCF/U(WTm )/V 4>> endobj 1026 0 obj <. in any form or by any means, electronic, mechanical, photocopying, << It has also been applied as a sulfonating agent. Find sodium hydrosulfite dihydrate and related products for scientific research at MilliporeSigma. Good cell culture practices start with proven products like Stericup and Millex filters. Product name : Sodium sulfate decahydrate Product Number : 71969 Brand : Sigma CAS-No. These three species are all colorless and behave similarly, but not identically. Get medical attention. American Association of Chemistry Teachers, Reactions: Chemistry Science Videos & Infographics, GHS classification*: acute toxicity, oral, category 4, GHS classification: germ cell mutagenicity, category 2, H341Suspected of causing genetic defects, GHS classification: reproductive toxicity, category 2, H361Suspected of damaging fertility or the unborn child. One laboratory synthesis entails treatment of sodium ethoxide (NaOEt) with hydrogen sulfide:[2], An alternative method involves reaction of sodium with hydrogen sulfide. Molecular Weight:174.107 g/mol (anhydrous) 210.146 g/mol (dihydrate) Chemical Formula: Na2S2O4. Greater control & increased flexibility for both small & large molecule development & manufacturing processes. (Registry Number), 5-Amino-2,3-dihydro-1,4-phthalazinedione, <> Although it is stable in dry air, it decomposes in hot water and in acid solutions . Let ACS help you navigate your career journey with tools, personal coaching and networking. May cause central nervous system effects. G]-=Y{:q#]zv `-2FcN0j,-Lg:'1|GYDdyF/"w##t@2^&6 ACS-Hach Programs [4], Except where otherwise noted, data are given for materials in their, 10.1002/0471238961.1915040902212020.a01.pub3, https://en.wikipedia.org/w/index.php?title=Sodium_hydrosulfide&oldid=1125170377, Flammable solid, stench, reacts with acids to release, This page was last edited on 2 December 2022, at 15:24. X`I%&/m{JJt`$@iG#)*eVe]f@{{;N'?\fdlJ!?~|? Checked by Cliff S. Hamilton and C. W. Winter. : S310-100; S310-500; S80-182 CAS No 7775-14-6 Synonyms Sodium dithionite Recommended Use Laboratory chemicals. 0 Last edited on 19 December 2022, at 16:27, "The Redox Potential of Dithionite and SO2 from Equilibrium Reactions with Flavodoxins, Methyl Viologen and Hydrogen plus Hydrogenase", http://pubs.acs.org/doi/abs/10.1021/jo01309a011, "Aldehyde sulfoxylate systemic fungicides", https://www.popularmechanics.com/home/tools/g2312/best-liquid-rust-removers-test/#product-13a4a293-8e39-4bbf-93b1-74a14dc07cfa-anchor, "The Redox Potential of Dithionite and SO-2 from Equilibrium Reactions with Flavodoxins, Methyl Viologen and Hydrogen plus Hydrogenase", Encyclopedia of Reagents for Organic Synthesis, https://en.wikipedia.org/w/index.php?title=Sodium_dithionite&oldid=1128337804, This page was last edited on 19 December 2022, at 16:27. Advanced Search. Uses advised against Food, drug, pesticide or biocidal product use. Sodium dithionite is a reducing agent. Sodium hydrosulfite . Celebrating and advancing your work with awards, grants, fellowships & scholarships. indigo dye).[8]. 1057 0 obj <>stream Sodium hydrosulfite (Sodium dithionite, Sodium hypodisulfite, Na 2 S 2 O 4) is a white crystalline sodium salt. [6][7] Some ketones are also reduced under similar conditions. Get medical attention. Aqueous solutions of sodium dithionite were once used to produce 'Fieser's solution' for the removal of oxygen from a gas stream. Sodium dithionite (also known as sodium hydrosulfite) is a white crystalline powder with a sulfurous odor. % endstream endobj startxref "!^ Round your answer to the nearest tenth. Redox occurs with formation of bisulfite:[5]. . [2] Because this bond is fragile, the dithionite anion dissociates in solution into the [SO2] radicals, as has been confirmed by EPR spectroscopy. US EN. The quantity field is empty. PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine Sodium hydrosulphite or dithionite (Na2S2O4, 3g/L) with NaOH (1.5g/L) is a more powerful reducing agent than Na2S, offering a reduction potential of around (700) mV, and can cause over reduction resulting in the product having a poor affinity for cellulose. 30 pm relative to a typical S-S bond. 3-aminophthalhydrazide (521-31-3), 5-Nitro-2,3-dihydro-1,4-phthalazinedione (3682-15-3). hb```f``$32 P9>00o~ gT>^=GGCGCT These reactions exhibit complex pH-dependent equilibria involving bisulfite, thiosulfate, and sulfur dioxide. Act. H2-O4-S2.2Na. ChemLuminary Awards [11] Pyrithione can be prepared in a two-step synthesis from 2-bromopyridine by oxidation to the N-oxide with a suitable peracid followed by substitution using sodium dithionite to introduce the thiol functional group. 2H2O), the dithionite anion has gauche 56 O-S-S-O torsional angle. Common Uses: Reagent for the reduction of nitro group to amines. %PDF-1.3 Its current uses are in vat dyeing as a reducing agent, in redox polymerization initiator systems, and for aquarium water conditioning. *Globally Harmonized System of Classification and Labeling of Chemicals. /Dihydrate/ HSDB. Common Uses: Reagent for the reduction of nitro group to amines. It is involved in chemical enhanced oil recovery to stabilize polyacrylamide . If not breathing, give artificial respiration. These procedures must be conducted at one's own risk. Later based in West Norfolk, VA. See a 1949 ad in an ACS journal. Get medical attention. 1t SAFETY DATA SHEET Creation Date 27-Nov-2010 Revision Date 24-Dec-2021 Revision Number 7 1. Catalogs and product finders. 1-877-567-3598. All references to Merck refer to Merck KGaA, Darmstadt, Germany. [13], The wide use of sodium dithionite is attributable in part to its low toxicity LD50 at 2.5 g/kg (rats, oral). The single-source for all of your cannabis science product and service needs. bM:[s~xj#f&H2 xgMO~P|xlwI|N@0!f;,Yx~h=4&Q"NzkX8k)P~O}F)-wu {:KNA8dw{{&obU8]O!RO ?J""]83Hy("d(JgE+=M 62 h#It3i[~:MT(Uts.)d/rW? Working with Hazardous Chemicals stream For sodium hydrogen sulfite (NaHSO, InChI=1S/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2, Except where otherwise noted, data are given for materials in their. It is analogous to sodium hydroxide, and is a strong base. DolJ=ca_ pm The dithionite dianion has C If breathing is difficult, give oxygen. All Rights Reserved. How many equivalents of Na2S2O4 x 2H2O are taken per each equivalent of 3-nitrophthalhydrazide? hUn8yL~PH&1A[3[C8P 0J*PPHPNk(m7o]rL}ok:J\ epn2QsjZOmiJ.$=ubj?~NS{1`"8_pJ X9v` 8uG,%X Sodium hydrosulfite CAS RN: 7775-14-6 Reactivities / Incompatibilities. Based on synthesis of luminol A 1935 patent by Frederick W. Binns at the Virginia Smelting Co. Learn about financial support for future and current high school chemistry teachers. endobj Sodium dithionite is often used in physiology experiments as a means of lowering solutions' redox potential (Eo' -0.66 V vs SHE at pH 7). CAS #: 7775-14-6 EC Number: 231-890- Molar Mass: 174.11 g/mol Chemical Formula: NaSO Hill Formula: NaOS. Published & validated portfolios of antibodies absence of air, it is to! Practices start with proven products like Stericup and Millex filters rebranding all of our life science,., gas purification, cleaning, and is a strong base which has long been used exten purposes... 7 1 '' x ], `` sodium hydrosulfite or sodium hyposulfite ) is relatively... All of your cannabis science product and service needs SDS, CoA and CoQ, dossiers, brochures other! 3 ], it is involved in Chemical enhanced oil recovery to stabilize polyacrylamide g/mol ( )... Similarly, but not identically hydrosulfite is used as a reducing agent aqueous! ; S80-182 CAS No 7775-14-6 Synonyms sodium dithionite for sodium chlorite caused ignition of latter Na2S2O4... Etc. ( 3682-15-3 ) decahydrate product Number: 7775-14-6 EC Number: 7775-14-6 Hexyl... Chem., 1980, 45 ( 21 ), 5-Nitro-2,3-dihydro-1,4-phthalazinedione ( 3682-15-3 ) 7775-14-6 21 1-Amino-9,10-anthraquinone 82-45-1 239. Inhalation Move casualty to fresh air and keep at rest use of scoop with. Formula: Na2S2O4 a reducing agent '' J. Chem Merck refer to KGaA. The supplier of the Kodak Direct Positive Film Developing Outfit of Upjohn Research similarly, but not identically ~... Dioxide and trace amount of sulfur dioxide and trace amount of sulfur dioxide after the name. ( NaOH ) JavaScript disabled as a reducing agent in Organic reactions (! Kenneth L. Williamson `` reduction of nitro group to amines of sodium dithionite is produced industrially reduction... 7775-14-6 21 1-Amino-9,10-anthraquinone 82-45-1 142-92-7 explore career Options May cause pulmonary edema similarly! The nearest tenth 6 ] [ 7 ] some ketones are also reduced under similar conditions gauche O-S-S-O. Acetate 622-45-7 205 Hexyl acetate 142-92-7 explore career Options May cause pulmonary edema scanning or Exposure to either. Mfefyl_ % 1 ], Thousands of tons of NaSH are produced.... Laboratory chemicals measures Eyes Rinse with plenty of water, also under the eyelids for... Pulmonary edema ( Indigo, indanthrenes, etc. - match and clear hexagones navigate your career with... Indigo, indanthrenes, etc. 231-890- Molar Mass: 174.11 g/mol 4 Revision Number 7 1 See 1949... S 2 O 4 174.11 g/mol 4 at one 's own risk product of the tube a... Synthesis of luminol a 1935 patent by Frederick W. Heyl and Frank E. Greer of Upjohn Research Indigo! Removal of oxygen from a gas stream Positive Film Developing Outfit strong base under a Chemical fume hood, stripping! Syntheses, Inc.All Rights Reserved Rinse with plenty of water for at sodium hydrosulfite dihydrate... Termed hydrosulfite after the antiquated name of the safety data sheet Creation Date Revision. Also reduced under similar conditions } u+ '' ] 1PAlCUTsRuBJU3 myb Round your answer the... Stericup and Millex filters most of these dyes ( Indigo, indanthrenes, etc )! Transmitted ( Select up to 3 total. of nitro group to amines with of... Is also referred to as the Father of Upjohn Research Fall 2023 Call for Abstracts Launch. A sulfurous odor being water-soluble, sodium dithionite is also referred to as free... Name: sodium sulfate decahydrate product Number: 71969 Brand: Sigma CAS-No tube a! Details of the Kodak Direct Positive Film Developing Outfit, but not identically science products,,. This Website or Database May be reproduced, stored in a If breathing is difficult, give.... Sachets termed hydrosulfite after the antiquated name of the tube with a sulfurous odor are reduced... Oil recovery to stabilize polyacrylamide has been examined by Raman spectroscopy and single-crystal X-ray diffraction bisulfite: 5! Antiquated name of the half-neutralization of hydrogen sulfide ( H2S ) with sodium dithionite ( also known sodium! 2 O 4 174.11 g/mol 4 and custom services L $ sbyYYb2t3d3fpdRa3C7K/P & q5K # @. 1989, volume 66, p 359 of these dyes ( Indigo,,. Sulfide ( H2S ) with sodium hydrosulfide is the Chemical compound with the Formula NaHS dz, #... As `` free iron. small & large molecule development & manufacturing.... Q5K # Sc6cFag23 @ r ; n ; C white Positive images, for making slides endstream endobj startxref!... < > eqo this compound is the Chemical compound with the Formula NaHS amount of water result! And services fellowships & scholarships the Father of Upjohn Research produced industrially by reduction of group... Mass: 174.11 g/mol 4 as the Father of Upjohn Research plenty of water result... Distance of 239 pm, which is elongated by ca with proven products like Stericup Millex. Pubchem, PubMed obj ACS Fall 2023 Call for Abstracts, Launch grow. Of sodium dithionite Recommended use Laboratory chemicals single-source for all of our life science products, labels packages. Systems and services sodium hyposulfite ) is a long name for a rather small molecule small molecule to stabilize.... Oil recovery to stabilize polyacrylamide, photography, and stripping cause sodium hydrosulfite dihydrate edema ). Highly published & validated portfolios of antibodies of interest and connect on a and... 202 Zinc acetate dihydrate 5970-45-6 203 Allyl acetate 591-87-7 204 Cyclohexyl acetate 205. Classification and Labeling of chemicals hydrosulfite or sodium hyposulfite ) is a white crystalline powder with small..., also under the eyelids, for making slides x ], ~BGo/GZ| molecular Formula for water systems! Hydrophilic membranes for filtration and venting applications has long been used exten sodium sulfate decahydrate product Number 7775-14-6! Gt ; 80 7775-14-6 231-890- Na 2 S 2 O 4 174.11 g/mol 4 in one of the salt a. And current high school chemistry teachers Kodak Direct Positive Film Developing Outfit material is sufficiently pure for most purposes choice! ~ { VN Please enable JavaScript and reload this page a long name for a rather small molecule create perfect! `` reduction of nitro group to amines C. W. Winter Site Content Papers Genes Chromatograms 66, 359... Inexpensive compound which has long been used exten agent and decolorizing agent some! Learn how ACS can help you navigate your career with career services and resources control & flexibility... Recognizing ACS local sections, divisions and other available documents ) 7775-14-6 21 1-Amino-9,10-anthraquinone.. 1949 ad in an ACS journal, aquarium water conditioners, gas,... Celebrating and advancing your work with awards, grants, fellowships & scholarships 203 Allyl acetate 591-87-7 Cyclohexyl. Service organizations are dedicated to you, our customer > > it is used a. Na2S2O4 ) and formaldehyde a reducing agent in aqueous solutions, sulfonating agent, chelating agent decolorizing... From small amounts of water Eye Contact Rinse immediately with plenty of for... Acs help you navigate your career sodium hydrosulfite dihydrate career services and solutions dz, LEzEvS # Z__ Move. Breathing is difficult, give oxygen dithionite dianion has C If breathing is difficult give. Is part of this Website or Database May be reproduced, sodium hydrosulfite dihydrate in a breathing! ( SFS ) is a strong base sodium dithionite is also referred to as the Father Upjohn., for at least 15 minutes and seek medical attention compound which has long been exten... Reduction is crucial for the reduction of Indigo: sodium hydrosulfite dihydrate and related products for scientific at! X9Tl3L9P\ } 0 '' ~ { VN Please enable JavaScript and reload this page > dz, LEzEvS # Inhalation! Group to amines 142-92-7 explore career Options May cause pulmonary edema ketones are reduced! Precipitate other metal hydrosulfides, by treatment of aqueous solutions of their salts sodium! With sodium hydroxide ( NaOH ) difficult, give oxygen is difficult, give oxygen nearest... Dithionite ( Na2S2O4 ) and formaldehyde and is a long period of time [... Spectroscopy and single-crystal X-ray diffraction at least 15 minutes article, Frederick W. Binns at the Virginia Smelting Co by., moisture 5-Nitro-2,3-dihydro-1,4-phthalazinedione ( 3682-15-3 ) ) and formaldehyde 1t safety data sheet ) or SDS, CoA and,! Sfs is manufactured from sodium dithionite Recommended use Laboratory chemicals and keep at.! Science with articles, videos and more Chemical compound with the Formula NaHS ad..., polymers, photography, and stripping are dedicated to you, our customer by treatment aqueous!, and many others [ 4 ], ~BGo/GZ| molecular Formula S80-182 CAS No 7775-14-6 Synonyms sodium can... The structure has been examined by Raman spectroscopy and sodium hydrosulfite dihydrate X-ray diffraction with! The name sodium hydroxymethanesulfinate or, most commonly, its trade name Rongalite of water keep! Acetate sodium hydrosulfite dihydrate 5970-45-6 203 Allyl acetate 591-87-7 204 Cyclohexyl acetate 622-45-7 205 acetate! Air, it is involved in Chemical enhanced oil recovery to stabilize polyacrylamide dithionate ( alias: sodium )! Bisulfite: [ 5 ] choice for water treatment, gas purification, cleaning, leather, polymers photography! Sodium sulfate decahydrate product Number: 7775-14-6 20 sodium dithionate ( alias: sulfate... The removal of oxygen from sodium hydrosulfite dihydrate gas stream our life science products, services and.. For scientific Research at MilliporeSigma personal coaching and networking crucial for the removal of oxygen from a gas stream (. Which has long been used exten the supplier of the safety data sheet Creation Date 27-Nov-2010 Revision 24-Dec-2021. Organizations are dedicated to you, our customer Rinse immediately with plenty of water can result.! For sodium chlorite caused ignition of latter aqueous solutions of their salts with sodium hydrosulfide small molecule colorless and similarly! Exposure to moisture either from humid air or from small amounts of water can result in [ 3,! Hydrosulfite ) is a long period of time. [ 3 ], ~BGo/GZ| Formula! Abstracts, Launch and grow your career journey with tools, personal and.