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Product Information
Product Name Phosphorus PentoxideSynonyms Phosphoric anhydride; PPO
CAS No. 1314-56-3
EINECS No. 215-236-1
Molecular formula P2O5
Molecular weight 141.94
Physical Properties
White amorphous powder. Soluble in sulfuric acid, insoluble in acetone, ammonia.
Soluble in water, release a large amount of heat, first formed metaphosphate, pyrophosphate, eventually turned into orthophosphoric acid. Moist solution absorption in the air. Contact with the organic burning will happen. Contact with organic matter caused combustion was in danger. Heated or meet water heat liberation, let out poisonous corrosive flue gas. Has a strong corrosive.Phosphorus pentoxide is phosphoric acid anhydride.
Density 2.39g/cm3
Melting Point 340℃
Boiling Point 360℃ sublimation
Flashing Point 340-360℃
Refractive Index 1.433-1.436
Specification
Items Normal Grade Superior Grade
Appearance White Powder White Powder
Assay (P2O5) ≥99.0 % ≥99.5%
Water insoluble matter ≤0.02% ≤0.01%
Heavy Metals (Pb) ≤0.01% ≤0.003%
Asenic (As) ≤0.01% ≤0.005%
Iron (Fe) ≤0.01% ≤0.01%
Applications
1) Used for gas and liquid desiccant.
2) Organic synthetic dehydrating agent.
3) Polyester resin antistatic agent.
4) Pharmaceutical and sugar refining agent.
5) It’s the preparation of high purity phosphoric acid, phosphate, phosphide and phosphate ester of the parent material.
6) Used for the production of phosphorus pentoxide sol and H-type aerosol.
7) Used in the manufacture of optical glass, through uv glass, insulated glass, glass-ceramic and opacified glass, etc., in order to improve the ability of the dispersion coefficient of glass and through the ultraviolet.
Packaging
25kg per pp woven bag, 18~20MT & 22~24MT per 20’ft containers with or without pallets
50kg per iron drum, 18MT per 20’ft containers with or without pallets
200kg per iron drum, 16MT per 20’ft containers with or without pallets
Storage
Stored in a dry and clean warehouse. Relative humidity remained below 75%. Keep away from fire and heat. Packaging must be sealed, not damp. Should be stored separately from flammable, combustible, alkali, etc. Mixed storage can not be mixed.
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