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Property:
White crystalline. A fine solids or fenmei shape. Easy ChaoXie, salty. Solution to a litmus in alkaline, to phenolphthalein alkaline. Soluble in water, acid and alcohol. Insoluble in ether. Low toxicity. Flammable. Melting point ℃ 292. 1.570 g/cm3 density.
Application:
Mainly used for penicillin sylvite production, but also can be used as chemical reagent, preparing anhydrous alcohol and polyurethane, insulation materials, FRP for industrial push agent, additives, reclamation and agent.
Test standard:HG 3-1097-77
Test items |
Specification |
|
AR grade |
CP grade |
|
Appearance |
White crystal powder |
White crystal powder |
Assay |
≥92.0% |
≥85.0% |
Appearance of solution |
Conform |
Conform |
Water insoluble |
≤0.005% |
≤0.01% |
pH |
7.0~9.0 |
7.0~9.0 |
Chloride |
≤0.002% |
≤0.005% |
Phosphate |
≤0.002% |
≤0.005% |
Sulfate |
≤0.002% |
≤0.005% |
Calcium |
≤0.005% |
≤0.005% |
Iron |
≤0.0005% |
≤0.001% |
Magnesium |
≤0.0005% |
≤0.001% |
Sodium |
≤0.02% |
≤0.10% |
Heavy metals |
≤0.0005% |
≤0.001% |
Reduction of potassium permanganate substances |
Conform |
Conform |
Storage:
Store in a cool, dry and well ventilated place. Keep away from incompatible substances. Keep container closed.