Phosphorus Pentoxide
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Cite "Phosphorus Pentoxide"
Phosphorus Pentoxide. (n.d.). In Compound. Retrieved from /th/compound/phosphorus-pentoxide/
"Phosphorus Pentoxide." Compound, /th/compound/phosphorus-pentoxide/.
@misc{phosphorus-pentoxide, title={Phosphorus Pentoxide}, url={/th/compound/phosphorus-pentoxide/}}
IUPAC: Phosphorus(V) oxide
CAS: 1314-56-3
ภาพรวม
Phosphorus pentoxide is the most powerful desiccant (drying agent) known. It is so hygroscopic that it reacts violently with water, producing phosphoric acid and considerable heat. It is used to dry gases and solvents and as a dehydrating agent in organic synthesis.
องค์ประกอบ
| ธาตุ | สัญลักษณ์ | อะตอม | มวลอะตอม |
|---|---|---|---|
| Oxygen | O | 10 | 15.9990 |
| Phosphorus | P | 4 | 30.9740 |
องค์ประกอบพื้นฐาน
การใช้งาน
- • Powerful desiccant
- • Dehydrating agent in organic synthesis
- • Phosphoric acid production
- • Drying gases
ข้อเท็จจริงที่น่าสนใจ
- ✦ Can dry solvents to less than 1 ppm water content
- ✦ The molecular formula is P₄O₁₀, not P₂O₅ as commonly written
ความปลอดภัย
- ⚠ Reacts violently with water
- ⚠ Corrosive
- ⚠ Causes severe burns
Structure
SMILES
O=P(=O)OP(=O)=O
คุณสมบัติ
- ประเภท
- oxide
- สถานะ
- solid
- มวลโมลาร์
- 283.89 g/mol
- ความหนาแน่น
- 2.3900 g/cm³
- จุดหลอมเหลว
- 340.0 °C
- จุดเดือด
- 360.0 °C
- การละลาย
- decomposes violently
Molecular Descriptors
- Exact Mass
- 141.9221
- XLogP
- -2.1
- TPSA
- 77.5 Ų
- H-Bond Donors
- 0
- H-Bond Acceptors
- 5
- Rotatable Bonds
- 0
- Heavy Atoms
- 7
- Complexity
- 123.0