Phosphorus pentoxide
Phosphorus pentoxide |
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 |