Ethylphosphonic acid
乙基磷酸
Also known as: Ethanephosphonic acid, Phosphonic acid, P-ethyl-, ethylphosphonic acid, ethylphosphonate
Ethylphosphonic acid (CAS 6779-09-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H7O3P and a molecular weight of 110.04900 g/mol. It is also known as Ethanephosphonic acid, Phosphonic acid, P-ethyl- and ethylphosphonic acid. Key properties include a melting point of 61-63 °C(lit.), a boiling point of 260.5ºC at 760 mmHg and a flash point of 111.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6779-09-5
- Jingsj CID
- J-1055719-8
- Molecular Formula
- C2H7O3P
- Chinese Name
- 乙基磷酸
- Molecular Weight
- 110.04900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 61-63 °C(lit.) |
|---|---|
| Boiling Point | 260.5ºC at 760 mmHg |
| Flash Point | 111.3ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Ethylphosphonic acid?
The CAS number of Ethylphosphonic acid is 6779-09-5.
What are the molecular formula and molecular weight of Ethylphosphonic acid?
Ethylphosphonic acid has molecular formula C2H7O3P and molecular weight 110.04900 g/mol.
Is Ethylphosphonic acid hazardous?
Ethylphosphonic 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. "Ethylphosphonic acid (CAS 6779-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055719-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.