Diethyl (difluoromethyl)phosphonate
Also known as: Diethyl difluoromethanephosphonate, Diethyl (difluoromethane)phosphonate, Difluoromethylphosphonic acid diethyl ester, 1-[difluoromethyl(ethoxy)phosphoryl]oxyethane, Phosphonic acid, (difluoromethyl)-, diethyl ester, Phosphonic acid, P-(difluoromethyl)-, diethyl ester, P-Difluoromethylphosphonic acid diethyl ester, DIETHYL (DIFLUOROMETHANE)PHOSPHONATE, DIFLUOROMETHYLPHOSPHONIC ACID DIETHYL ESTER
Diethyl (difluoromethyl)phosphonate (CAS 1478-53-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11F2O3P and a molecular weight of 188.110 g/mol. Key properties include a boiling point of 179.2±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 62.2±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1478-53-1
- Jingsj CID
- J-29340-3
- Molecular Formula
- C5H11F2O3P
- Molecular Weight
- 188.110 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 179.2±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 62.2±25.9 °C |
| Exact Mass | 188.041382 |
| PSA | 45.34000 |
| LogP | 0.79 |
| Vapor Pressure | 1.3±0.3 mmHg at 25°C |
| Refractive Index | 1.368 |
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 (difluoromethyl)phosphonate?
The CAS number of Diethyl (difluoromethyl)phosphonate is 1478-53-1.
What are the molecular formula and molecular weight of Diethyl (difluoromethyl)phosphonate?
Diethyl (difluoromethyl)phosphonate has molecular formula C5H11F2O3P and molecular weight 188.110 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 (difluoromethyl)phosphonate (CAS 1478-53-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29340-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.