1. Molecular formula: P2O5
2. Molecular weight: 141.94
3. Physical and chemical properties: Phosphorus pentoxide, also known as phosphoric anhydride, is white needle-like crystals. The specific gravity is 2.39. It sublimates at 347°C and melts at 563°C under pressure. Corrosive to the skin. Easily absorb moisture in the air. It can dissolve in water and release a lot of heat to generate phosphoric acid.
Four, use:
Mainly used for partial doping of optoelectronics, optical glass, etc.; solar deep doping; also used for the production of medicine and cosmetics and the preparation of high-purity phosphoric acid.
Five, quality indicators:
Analysis item Technical index (ppb) Analysis item Technical index (ppb)
6N 5.5N 6N 5.5N
Al, max 50 150 Pb, max 20 50
As, max 70 200 Li, max 10 50
Ba, max 20 50 Mg, max 100 500
Cd, max 10 20 Mn, max 20 50
Co, max 10 20 Ni, max 20 100
Ca, max 150 700 K, max 150 700
Cr, max 20 80 Na, max 100 500
Cu, max 20 50 Sr, max 20 50
Fe, max 150 500 Zn, max 50 150
Sixth, packaging: container: glass bottle.
Outer packaging: plastic film encapsulation, outer wooden box.
Specifications: 100g, 500g, can also be packaged according to user requirements.