纯洁的 |
50-53% |
化学文摘社编号. |
540-72-7 |
出生地 |
Henan China (Mainland) |
牌子的名字 |
Tianshui |
模式的数量 |
50-53% |
CAS NO: 540-72-7 Molecular formula: NaSCN Molecular weight: 81.07 Index Export Grade First Grade Liquid NaSCN Min % 50--53 PH value in water(50g/L) 8.0--12.0 Clarity Test in water(100g/L) Clarity Insoluble substance in water Max %0.003 Chlorid(Cl-) % Max0.01 Sulfate(SO42-) % Max 0.01 Heavy metal(Pb) % Max 0.001 Iron(FE) % Max 0.0001 Water % Max --- ALIAS: Sodium Rhodanide, Sodium Sulfocyanate, Sodium Rhodanate, Sodium Isocyanate, sodium Isothiocyanate, Thiocyanic Acid, Sodium Salt Properties: NaSCN, a white rhombic system crystal, is soluble in water, ethanol, acetone; Relative density is 1.735. Decomposes on heating and under influence of light producing toxic fumes of sulfur oxides, nitrogen oxides and cyanides. Reacts violently with acids, strong bases and strong oxidants. Usage: Genaral: Mainly used in sectors of pharmaceuticals, pesticide, synthetic fibre, electroplating, photography, accelerator for cement etc Fibre industriy: As spinning solvent for polyacrylonitrile Architecture industriy: Hardening accelerator for cement and concrete mixes Pesticide: Raw material for the production of a number of herbicides and fungicides Pharmaceuticals: Raw material for the production of a number of pharmaceutical products Packing: 25 kgs net in PP bag with inner of polyethylene bag. Storage: Keep in tightly closed bags. Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acides, bases and oxidants.