Dimethyl phenylphosphonate
Also known as: Dimethyl benzenephosphonate, Benzenephosphonic acid dimethyl ester, O,O-Dimethyl phenylphosphonate, Phenylphosphonic acid dimethyl ester, Dimethyl (phenyl)phosphonate, dimethoxyphosphorylbenzene, o,o-dimethylphenylphosphonate, Phosphonic acid, phenyl-, dimethyl ester, Phosphonic acid, P-phenyl-, dimethyl ester
Dimethyl phenylphosphonate (CAS 2240-41-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11O3P and a molecular weight of 186.145 g/mol. Key properties include a boiling point of 247.0±9.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 117.3±39.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2240-41-7
- Jingsj CID
- J-45564-1
- Molecular Formula
- C8H11O3P
- Molecular Weight
- 186.145 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 247.0±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 117.3±39.1 °C |
| Exact Mass | 186.044586 |
| PSA | 45.34000 |
| LogP | 0.95 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.484 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Dimethyl phenylphosphonate?
The CAS number of Dimethyl phenylphosphonate is 2240-41-7.
What are the molecular formula and molecular weight of Dimethyl phenylphosphonate?
Dimethyl phenylphosphonate has molecular formula C8H11O3P and molecular weight 186.145 g/mol.
What are the upstream and downstream products of Dimethyl phenylphosphonate?
For Dimethyl phenylphosphonate, Upstream Products: Phenylphosphonic dichloride, 2-(Trimethylsilyl)phenyl trifluoromethanesulfonate, Trimethyl phosphite; Downstream Products: Phenylphosphonic dichloride, Phenylphosphonic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethyl phenylphosphonate (CAS 2240-41-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45564-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.