Diethyl phosphate
磷酸二乙酯
Also known as: Diethyl hydrogen phosphate, O,O-Diethyl hydrogen phosphate, Diethyl acid phosphate, Phosphoric acid, diethyl ester, Chlorpyrifos impurity 3 (diethyl phosphate), O,O-diethylphosphoric acid, diethylphosphoric acid, di-ethylphosphat
Diethyl phosphate (CAS 598-02-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H11O4P and a molecular weight of 154.102 g/mol. It is also known as Diethyl hydrogen phosphate, O,O-Diethyl hydrogen phosphate and Diethyl acid phosphate. Key properties include a melting point of 6ºC, a boiling point of 200.3±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 74.9±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 598-02-7
- Jingsj CID
- J-1968832-7
- Molecular Formula
- C4H11O4P
- Chinese Name
- 磷酸二乙酯
- Molecular Weight
- 154.102 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 6ºC |
|---|---|
| Boiling Point | 200.3±23.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 74.9±22.6 °C |
Frequently Asked Questions
What is the CAS number of Diethyl phosphate?
The CAS number of Diethyl phosphate is 598-02-7.
What are the molecular formula and molecular weight of Diethyl phosphate?
Diethyl phosphate has molecular formula C4H11O4P and molecular weight 154.102 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl phosphate (CAS 598-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1968832-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.