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of phosphorous chemical products

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Phosphorus pentoxide

Alias: phosphoric anhydride
Molecular formula: P2O5
Molecular weight: 141.94
IMDG classification and number: GB8.1 category 81063.
Phosphorus pentoxide can be widely used in pharmaceutical and coating additive, printing and dyeing auxiliary, antistatic agent, etc.
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


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