Ammonium Thiocyanate
Molecular formula:NH4SCN
Molecular weight: 76.12
CAS: 1762-95-4
HS NO: 2842901910
Properties: NH4SCN,a colorless crystalline or column crystal that is soluble in water, metha-nol, ethanol, pyri-dine, insoluble in ethyl ace-tate, methyl chloride and chloro-form; at 140ºC bring thi-ourea. melts at 149.6ºC .thermal decomposition at 170ºC 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: Stored 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.
