Chloromethylphosphonic acid
Also known as: Phosphonic acid, P-(chloromethyl)-, (Chloromethyl)phosphonic acid, Monochloromethylphosphonic acid, chloromethylphosphoric acid
Chloromethylphosphonic acid (CAS 2565-58-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula CH4ClO3P and a molecular weight of 130.46700 g/mol. Key properties include a melting point of 127-129ºC, a boiling point of 333.8ºC at 760mmHg, a density of 1.726g/cm3 and a flash point of 155.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2565-58-4
- Jingsj CID
- J-1323091-6
- Molecular Formula
- CH4ClO3P
- Molecular Weight
- 130.46700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 127-129ºC |
|---|---|
| Boiling Point | 333.8ºC at 760mmHg |
| Density | 1.726g/cm3 |
| Flash Point | 155.7ºC |
| Exact Mass | 129.95900 |
| PSA | 67.34000 |
| LogP | 0.36040 |
| Vapor Pressure | 0mmHg at 25°C |
| Storage Conditions | 2-8℃ |
Frequently Asked Questions
What is the CAS number of Chloromethylphosphonic acid?
The CAS number of Chloromethylphosphonic acid is 2565-58-4.
What are the molecular formula and molecular weight of Chloromethylphosphonic acid?
Chloromethylphosphonic acid has molecular formula CH4ClO3P and molecular weight 130.46700 g/mol.
What are the upstream and downstream products of Chloromethylphosphonic acid?
For Chloromethylphosphonic acid, Upstream Products: (Chloromethyl)phosphonic dichloride, Diazomethane; Downstream Products: Methylphosphonic acid, Ethylenediaminetetra(methylenephosphonic acid), 1,2-Ethanediamine, monohydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chloromethylphosphonic acid (CAS 2565-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323091-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.