Alias: phosphoric anhydride
Molecular formula: P2O5
Molecular weight: 141.94
IMDG classification and number: GB8.1 category 81063.
Uses:
Phosphorus pentoxide can be widely used in pharmaceutical and coating additive, printing and dyeing auxiliary, antistatic agent, etc.
Properties:
white crystal powder. Density 0.9g/cm3. Melting point 580-585℃. Vapor pressure 133.3Pa(384℃).
Storage and transportation:
It is corrosive. Packing: (Ⅱ) category. Keep in cool, dry and well-ventilated place.
Quality guarantee period:
30 days between May and September; 60 days between October and April; 6 months in closed drum.
Item |
Index |
Technical grade(chemical pure) |
Analytical pure |
Specific grade |
Content (P2O5)% |
≥99% |
≥99.5% |
≥99.5% |
Active R value |
1.2 |
1.7 |
2.0 |
Reductant (P2O3)% |
≤0.01 |
≤0.008 |
≤0.005 |
Clarity test |
Qualified |
Qualified |
Qualified |
Water insoluble matter% |
≤0.02 |
≤0.01 |
≤0.01 |
Total nitrogen(N)% |
≤0.01 |
≤0.002 |
≤0.001 |
Heavy metal (Pb)% |
≤0.01 |
≤0.002 |
≤0.001 |
Iron content (Fe)% |
≤0.01 |
≤0.002 |
≤0.001 |
Arsenic content(As)% |
≤0.01 |
≤0.007 |
≤0.005 |
Packing:
Packaging form |
Weight (net weight) (or upon customer's request) |
Technical grade |
10Kg bag |
Reagent grade |
5Kg bag, 500g/bottle |
Export grade |
200L steel and iron drum, 200Kg/drum; 20Kg, plastic woven bag;
200L steel and iron drum, 130Kg/drum; 25Kg/drum, fiber drum;
75L steel and iron drum, 70Kg/drum; 60L steel and iron drum, 60Kg/drum; |
Pharmaceutical and food grade |
20Kg bag, plastic bag; 75L steel and iron drum, 50Kg/drum |
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