Phosphorus trioxide
三氧化磷
Also known as: Diphosphorus trioxide, Phosphorus trioxide ISO 9001：2015 REACH, phosphorous anhydride
Phosphorus trioxide (CAS 1314-24-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula O3P and a molecular weight of 78.97200 g/mol. It is also known as Diphosphorus trioxide, Phosphorus trioxide ISO 9001：2015 REACH and phosphorous anhydride. Key property: a melting point of 23.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1314-24-5
- Jingsj CID
- J-1991259-6
- Molecular Formula
- O3P
- Chinese Name
- 三氧化磷
- Molecular Weight
- 78.97200 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 23.8ºC |
|---|
Frequently Asked Questions
What is the CAS number of Phosphorus trioxide?
The CAS number of Phosphorus trioxide is 1314-24-5.
What are the molecular formula and molecular weight of Phosphorus trioxide?
Phosphorus trioxide has molecular formula O3P and molecular weight 78.97200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphorus trioxide (CAS 1314-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991259-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.