Molecular weight: 76.12
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|
|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||----|
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.