Ammonium Thiocyanate

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Description

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Ammonium Thiocyanate

Molecular formula:NH4SCN
Molecular weight: 76.12
CAS :1762-95-4

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? bring thiourea. melts at 149.6? .thermal decomposition at 170? may produce highly toxic fumes of hydrogen cyanide, hydrogen sulfide and toxic oxides of nitrogen, sulfur, and carbon.
Alias: Ammonium Rhodanide, Ammonium Sulfocyanate, Ammonium Sulfocyanite, Ammonium Isothiocyanate, Thiocyanic Acid, Ammonium Salt.

Index(Quality Criterion:HG/T2154/91)	Export Grade	1st 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	0.001	0.0003
Water % Max	1	1.7	----

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 ).

Packaging: 25kg net PP bag with PE liner for solid, 1000kg net IBC tank for liquid.

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.