Diethyl (4-methoxybenzyl)phosphonate
Also known as: 4-Methoxybenzylphosphonic acid diethyl ester, Diethyl 4-methoxybenzylphosphonate, Diethyl (4-methoxybenzyl)phosphonate, Diethyl anisylphosphonate, 4-(Diethylphosphonomethyl)anisole, (p-Methoxybenzyl)phosphonic acid diethyl ester, Phosphonic acid, P-[(4-methoxyphenyl)methyl]-, diethyl ester
Diethyl (4-methoxybenzyl)phosphonate (CAS 1145-93-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19O4P and a molecular weight of 258.251 g/mol. Key properties include a boiling point of 363.8±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 187.5±43.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1145-93-3
- Jingsj CID
- J-2976-5
- Molecular Formula
- C12H19O4P
- Molecular Weight
- 258.251 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 363.8±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 187.5±43.5 °C |
| Exact Mass | 258.102081 |
| PSA | 54.57000 |
| LogP | 1.98 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.486 |
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 Diethyl (4-methoxybenzyl)phosphonate?
The CAS number of Diethyl (4-methoxybenzyl)phosphonate is 1145-93-3.
What are the molecular formula and molecular weight of Diethyl (4-methoxybenzyl)phosphonate?
Diethyl (4-methoxybenzyl)phosphonate has molecular formula C12H19O4P and molecular weight 258.251 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl (4-methoxybenzyl)phosphonate (CAS 1145-93-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2976-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.