Propylphosphonic acid
丙基膦酸
Also known as: Propane-1-phosphonic acid, n-Propylphosphonic acid, 1-Propylphosphonic acid, Dihydrogen propylphosphonate, NIA 10656, MFCD00012294, EINECS 225-121-8
Propylphosphonic acid (CAS 4672-38-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H9O3P and a molecular weight of 124.07600 g/mol. It is also known as Propane-1-phosphonic acid, n-Propylphosphonic acid and 1-Propylphosphonic acid. Key properties include a melting point of 67-71 °C(lit.), a boiling point of 265.3ºC at 760 mmHg and a flash point of 114.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4672-38-2
- Jingsj CID
- J-39075-4
- Molecular Formula
- C3H9O3P
- Chinese Name
- 丙基膦酸
- Molecular Weight
- 124.07600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 67-71 °C(lit.) |
|---|---|
| Boiling Point | 265.3ºC at 760 mmHg |
| Flash Point | 114.3ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Propylphosphonic acid?
The CAS number of Propylphosphonic acid is 4672-38-2.
What are the molecular formula and molecular weight of Propylphosphonic acid?
Propylphosphonic acid has molecular formula C3H9O3P and molecular weight 124.07600 g/mol.
Is Propylphosphonic acid hazardous?
Propylphosphonic 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. "Propylphosphonic acid (CAS 4672-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39075-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.