Diethyl propylphosphonate
1-丙基膦酸二乙酯
Also known as: Diethyl 1-propanephosphonate, Diethoxypropylphosphine oxide, Diethyl propanephosphonate, Diethyl-n-propylphosphonate, 1-propylphosphonic acid diethyl ester, 1-diethoxyphosphorylpropane, Phosphonic acid, P-propyl-, diethyl ester, O,O-Diethyl propylphosphonate
Diethyl propylphosphonate (CAS 18812-51-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H17O3P and a molecular weight of 180.182 g/mol. It is also known as Diethyl 1-propanephosphonate, Diethoxypropylphosphine oxide and Diethyl propanephosphonate. Key properties include a boiling point of 226.4±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 104.9±39.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18812-51-6
- Jingsj CID
- J-9202-3
- Molecular Formula
- C7H17O3P
- Chinese Name
- 1-丙基膦酸二乙酯
- Molecular Weight
- 180.182 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 226.4±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 104.9±39.1 °C |
| Exact Mass | 180.091537 |
| PSA | 45.34000 |
| LogP | 1.35 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.410 |
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 propylphosphonate?
The CAS number of Diethyl propylphosphonate is 18812-51-6.
What are the molecular formula and molecular weight of Diethyl propylphosphonate?
Diethyl propylphosphonate has molecular formula C7H17O3P and molecular weight 180.182 g/mol.
What are the upstream and downstream products of Diethyl propylphosphonate?
For Diethyl propylphosphonate, Upstream Products: 1-bromopropane, Triethyl phosphite, Ethanol; Downstream Products: Triethyl 2-phosphonobutyrate.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl propylphosphonate (CAS 18812-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9202-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.