Diphenyl methylphosphonate
Also known as: DIPHENYL METHYLPHOSPHONATE, METHYLPHOSPHONIC ACID DIPHENYL ESTER, METHANEPHOSPHONIC ACID DIPHENYL ESTER, O,O-diphenyl methylphosphonate, [methyl(phenoxy)phosphoryl]oxybenzene, Phosphonic acid, methyl-, diphenyl ester, Bisphenyl methylphosphonate, EINECS 231-388-1
Diphenyl methylphosphonate (CAS 7526-26-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H13O3P and a molecular weight of 248.21400 g/mol. Key properties include a melting point of 32.5-37.5ºC(lit.), a boiling point of 344.3ºC at 760 mmHg, a density of 1.21 g/mL at 25ºC(lit.) and a flash point of 110.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 7526-26-3
- Jingsj CID
- J-43435-5
- Molecular Formula
- C13H13O3P
- Molecular Weight
- 248.21400 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32.5-37.5ºC(lit.) |
|---|---|
| Boiling Point | 344.3ºC at 760 mmHg |
| Density | 1.21 g/mL at 25ºC(lit.) |
| Flash Point | 110.0 °C |
| Exact Mass | 248.06000 |
| PSA | 45.34000 |
| LogP | 3.96730 |
| Appearance | solid |
| Refractive Index | 1.554 |
Frequently Asked Questions
What is the CAS number of Diphenyl methylphosphonate?
The CAS number of Diphenyl methylphosphonate is 7526-26-3.
What are the molecular formula and molecular weight of Diphenyl methylphosphonate?
Diphenyl methylphosphonate has molecular formula C13H13O3P and molecular weight 248.21400 g/mol.
What are the upstream and downstream products of Diphenyl methylphosphonate?
For Diphenyl methylphosphonate, Upstream Products: Diphenyl phosphite, iodomethane, Triphenyl phosphite; Downstream Products: Ethanethiol, 2,3-Dinitrophenol, Ethyl 2-(diphenoxyphosphoryl)acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenyl methylphosphonate (CAS 7526-26-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43435-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.