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Ammonium Thiocyanate powder
Molecular Formula: NH4SCN Molecular Weight: 76.12
CAS No.: 1762-95-4 HS No.: 28429010
ALIAS: Ammonium Rhodanide, Ammonium Sulfocyanate, Ammonium Sulfocyanite,
Ammonium isothiocyanate, Thiocyanic Acid, Ammonium Salt
Ammonium Thiocyanate powder 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 140C bring thiourea. Melts at 149.6C'...Thermal decomposition at 170Cmay produce highly toxic fumes of hydrogen sulfide and toxic oxides of nitrogen, sulfur, and carbon.
Ammonium Thiocyanate powder 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 ).
Ammonium Thiocyanate powder Packing: 25kg each net, Kraft-plastic laminated bag with PE liner. Net 25kg woven bags.
Ammonium Thiocyanate powder 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.
| Index( Quality Criterion: HG/T2154/91) | Export Grade | Premium Grade | Liquid |
| NH 4 SCN 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(SO 4 2- ) % 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 |
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