ammonium thiocyanate

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ammonium thiocyanate
Posting date : Jan 03, 2012
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28-
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Detailed Product Description Molecular formula: NH4SCN Molecular weight: 76.12 CAS: 1762-95-4 HS NO: 28429010 Purity: 99% 98% Index( Quality Criterion:HG/T2154/91) Export Grade Premium Grade Liquid NH4SCN Min% 99.0 98.0 50--55 Clarity Test in water(100g/L) Clarity Clarity Clarity pH Value in water (50g/L) 4.5-6.0 4.5-6.0 4.5-6.0 Chloride (CL-) % Max 0.04 0..06 0.03 Sulfate(SO42-) % Max 0.04 0.04 0.02 Residue on ignition, % Max 0.08 0.10 0.05 Heavy metal (Pb), % Max 0.002 0.002 0.001 Iron ( Fe ) % Max 0.0005 0.0005 0.0003 Water % Max 1 1.7 ---- ALIAS:: Ammonium Rhodanide, Ammonium Sulfocyanate, Ammonium Sulfocyanite, ammonium isothiocyanate, Thiocyanic Acid, Ammonium Salt Properties: NH4SCN,a colorless crystalline or column crystal that is soluble in water, methanol, ethanol, pyridine, acetone & ammonia and insoluble in ethyl acetate, methyl chloride and chloroform; at 140°C bring thiourea. melts at 149.6°C. .thermal decomposition at 170°C may produce highly toxic fumes of hydrogen cyanide, hydrogen sulfide and toxic oxides of nitrogen, sulfur, and carbon. Usage: Genaral: Mainly in pharmaceuticals, pesticide, textile,electroplating, photography,water tracer in oil fields, thinning agent, as intermediate for metal thiocyanates etc. Textile: printing, dyeing and finishing operations accelerator in fixing baths Pesticide: raw material for the production of a number of herbicides and fungicides Photographit: Stabilizer, accelerator, etc. Metal finishing: Plating, flotation agent. as intermediate for metal thiocyanates (NaSCN, KSCN, CuSCN, Ca(SCN)2 ). Packing: 25kg each net, Kraft-plastic laminated bag with PE liner. net 25kg woven bags. Storage: Store away from incompatible substances. Keep in a tightly closed bags. Store in a cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, bases and oxidants.

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