Basic Product Information
Product name: Phosphorus Pentoxide
CAS No.: 1314‑56‑3
Note: Phosphorus pentoxide CAS is 1314‑56‑3，same CAS as zinc borate, different substance, pay attention to distinguish in documents
Molecular formula: P₂O₅Molecular weight: 141.94
Synonym Phosphoric anhydride, Phosphorus(V) oxide
Appearance White amorphous powder / white crystalline granules
Odor Strong irritating odor
Chem‑physical Properties
Melting point 340 ℃
Boiling point 360 ℃ (sublimation)
Solubility Violent reaction with water, generates phosphoric acid; reacts with ethanol
Density 2.39 g/cm³
Hazard property Strong hygroscopicity, powerful dehydrating agent, corrosive
Quality Specification
| Test Item | Industrial Grade Standard |
|---|---|
| P₂O₅ Content (%) ≥ | 98.0 |
| Total impurities (%) ≤ | 2.0 |
| Moisture (%) ≤ | 0.5 |
| Residue after ignition (%) ≤ | 0.2 |
Application & Use
Chemical raw material: Dehydrating agent for organic synthesis, raw material for producing phosphoric acid and phosphate series products.
Desiccant: High‑efficiency drying agent for gas & liquid, not suitable for alkaline substances.
Catalyst: Used in organic synthesis reaction as catalyst.Other: Manufacturing of optical glass, heat‑resistant glass.
Packing
Iron drum with inner plastic bag, 50 kg / 100 kg per drum. Sealed strict anti‑moisture packing.
Storage & Transportation
Store in dry, cool, well‑ventilated warehouse. Strictly sealed, absolutely avoid moisture, far away from water source.
Separated from acids, alkalis, alcohols, food raw materials. Keep separate storage.
Hazardous goods transport: Corrosive substance. Prevent rain, dampness, damage of package during transportation.
Avoid contact with skin, eyes and respiratory tract.
Disclaimer: This data is for reference only, not for specification purpose.
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