Phenylphosphinic acid
苯基次膦酸
Also known as: Benzenephosphinic acid, Benzenephosphonous acid, Phenylphosphonous acid, Hydroxyphenylphosphine oxide, Phosphinic acid, P-phenyl-, Phosphonous acid, phenyl-
Phenylphosphinic acid (CAS 1779-48-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7O2P and a molecular weight of 142.092 g/mol. It is also known as Benzenephosphinic acid, Benzenephosphonous acid and Phenylphosphonous acid. Key properties include a melting point of 83-85 °C(lit.), a boiling point of 285.1±23.0 °C at 760 mmHg and a flash point of 126.2±22.6 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1779-48-2
- Jingsj CID
- J-29626-5
- Molecular Formula
- C6H7O2P
- Chinese Name
- 苯基次膦酸
- Molecular Weight
- 142.092 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 83-85 °C(lit.) |
|---|---|
| Boiling Point | 285.1±23.0 °C at 760 mmHg |
| Flash Point | 126.2±22.6 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Phenylphosphinic acid?
The CAS number of Phenylphosphinic acid is 1779-48-2.
What are the molecular formula and molecular weight of Phenylphosphinic acid?
Phenylphosphinic acid has molecular formula C6H7O2P and molecular weight 142.092 g/mol.
Is Phenylphosphinic acid hazardous?
Phenylphosphinic acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenylphosphinic acid (CAS 1779-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29626-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.