(1-phenylethenyl)phosphonic acid
(1-苯基乙烯基)膦酸
Also known as: (1-phenylvinyl)phosphonic acid, 1-Phenylethenylphosphonic acid, 1-phenylethenylphosphonic acid, Phosphonic acid, P-(1-phenylethenyl)-, phenyl-vinyl phosphonic acid, α-Methylenebenzylphosphonic acid, SKL373
(1-phenylethenyl)phosphonic acid (CAS 3220-50-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9O3P and a molecular weight of 184.12900 g/mol. It is also known as (1-phenylvinyl)phosphonic acid, 1-Phenylethenylphosphonic acid and 1-phenylethenylphosphonic acid. Key properties include a boiling point of 399.4ºC at 760mmHg, a density of 1.335g/cm3 and a flash point of 195.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3220-50-6
- Jingsj CID
- J-987819-2
- Molecular Formula
- C8H9O3P
- Chinese Name
- (1-苯基乙烯基)膦酸
- Molecular Weight
- 184.12900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 399.4ºC at 760mmHg |
|---|---|
| Density | 1.335g/cm3 |
| Flash Point | 195.4ºC |
Frequently Asked Questions
What is the CAS number of (1-phenylethenyl)phosphonic acid?
The CAS number of (1-phenylethenyl)phosphonic acid is 3220-50-6.
What are the molecular formula and molecular weight of (1-phenylethenyl)phosphonic acid?
(1-phenylethenyl)phosphonic acid has molecular formula C8H9O3P and molecular weight 184.12900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(1-phenylethenyl)phosphonic acid (CAS 3220-50-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-987819-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.