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Molecular Formula: P4
Molecular Weight: 123.89
Properties: Auburn amorphorous powder with metallic luster; relative density at 2.34, melting point at 590℃ ; soluble in phosphorus tribromide, but insoluble in water or carbon disulphide, liable to burn under chlorine atmosphere, nontoxic, in odorous, without phosphor.
Uses: Make matches, fireworks, chemical agent, phosphoric alloy, and as a raw material for manufacturing organic phosphorus fertilizers, and used in metallurgical industry and organic synthesis as well.
Packing and storage: 50kg iron drum, 5 bags × 10kg/drum; strike, rolling or throwing strictly forbidden, isolated in storage.
Standard executed: GB4947-1990
|
Item |
1st Grade |
2nd Grade |
|
Red Phosphorus, %≥ |
98.5 |
97.5 |
|
Yellow phosphorus, % ≤ |
0.005 |
0.01 |
|
Free acid, %≤ |
0.50 |
0.80 |
|
Moisture, %≤ |
0.25 |
0.30 |
|
Fineness (60 mesh), %≥ |
70 |
70 |
|
Super Fineness(100 mesh), %≥ |
80 |
|
|
Super Fineness(150 mesh ),%≥ |
80 | |
