Ammonium thiocyanate
CAS No:1762-95-4
EINECS No: 217-175-6
Molecular formula:NH4SCN
Molecular weight:76.1226
Molecular formula: NH4SCN
Molecular weight: 76.12
CAS :1762-95-4
HS NO:28380000
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 | ---- |
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 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.
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.