Abstract Sodium dithionite and thiourea dioxide are two typical reducing agents commonly used in industry. Classification of the Substance or Mixture Classification according to Regulation (EC) No. }); 0000000976 00000 n
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"background": "#fff", Has anybody actually seen this behaviour when using this material? 0000001921 00000 n
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SODIUM DITHIONITE Page 3 of 6 Workplace Controls and Practices Very toxic chemicals, or those that are reproductive hazards or sensitizers, require expert advice on control measures if a less Which indicator or chemical composition can be used to detect the presence of dithionite (S2O4-2) in an aqueous solution (ppm level)? HomeFAQsSuggestedBooks I personally have not experienced any of this behaviour working with the material when reducing chrome 6+ to chrome 3+ at high pH. Sodium dithionite and thiourea dioxide are two typical reducing agents commonly used in industry. Composition / Information on ingredients According to regulation 1994 / 2012 OSHA Hazard communication standard: 29 CFR Part 1910.1200 CAS No. 0000002361 00000 n
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Once fuming is started, it is difficult to approach the area due to SO2 gas formed. 1. no data available. new LazyLoad({ The MSDS from various sources have clearly stated that the material is flammable, is susceptible to spontaneous combustion, water reactive. Q. I am querying the hazard classifications for sodium hydrosulphite. sonnel must be thoroughly trained in the hazards of this chemical and its safe use, and must wear protective equip-ment and clothing sufficient to prevent inhalation of dust or fumes and contact with skin and eyes. Sodium dithionite is a whitish to light yellow crystalline solid having a sulfur dioxide-like odor. Q. I am querying the hazard classifications for sodium hydrosulphite. 0000003825 00000 n
It spontaneously heats on contact with air and moisture. 0000018075 00000 n
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"text": "#237afc" window.addEventListener("load", function(){ Q. I am querying the hazard classifications for sodium hydrosulphite. 0000015105 00000 n
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Hazards of Sodium hydrosulphite (dithionite) 2003. 0000006528 00000 n
& Install'nChemicals & Consumables This paper compared the thermal hazards of sodium dithionite and thiourea dioxide based on DSC-TG (Differential Scanning Calorimetry and Thermogravimetry) thermal analysis, small-scale self-heating experiments and FTIR smoke gas analysis. 0000004068 00000 n
SODIUM DITHIONITE. 0000001516 00000 n
Under prolonged exposure to fire or … Sodium Dithionite Flinn Scientific, Inc. P.O. Post your own question ... 0000012412 00000 n
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Special Remarks on Explosion Hazards: … contribute to the overall hazards of the substance or mixture. Besides the evaporation process the salting out process, which was more widely used previously, is still known. We use hydrosulphite in bulk and I had the experience of minor fire several times and major fire twice. 0000003101 00000 n
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The danger occurs with small additions of water to the bulk such as rain or a water hose squirting and getting into an open package when there will be heat build up leading to flame and sulphurous fumes. SODIUM DITHIONITE Page 3 of 6 Workplace Controls and Practices Very toxic chemicals, or those that are reproductive hazards or sensitizers, require expert advice on control measures if a less The MSDS from various sources have clearly stated that the material is flammable, is susceptible to spontaneous combustion, water reactive. Hazards Identification 2. 26 0 obj
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SAFETY DATA SHEET Sodium dithionite According to Regulation (EC) No 1907/2006, Annex II, as amended. 1. 5.2 Specific hazards arising from the chemical. Sodium hydrosulphite can catch fire if exposed to moisture and fine spray of water. And if so, under what conditions? elements_selector: "iframe" This paper compared the thermal hazards of sodium dithionite and thiourea dioxide based on DSC-TG (Differential Scanning Calorimetry and Thermogravimetry) thermal analysis, small-scale self-heating experiments and FTIR smoke gas analysis. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer.