Diethyl phenylphosphonite
苯基膦酸二乙酯
Also known as: Diethyl phenylphosphonite, diethoxy(phenyl)phosphane, Phenyldiethoxyphosphine, Diethyl phenylphosphinite, Phenylphosphonous acid diethyl ester, Phosphonous acid, P-phenyl-, diethyl ester
Diethyl phenylphosphonite (CAS 1638-86-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H15O2P and a molecular weight of 198.19900 g/mol. It is also known as diethoxy(phenyl)phosphane, Phenyldiethoxyphosphine and Diethyl phenylphosphinite. Key properties include a boiling point of 235ºC at 760mmHg, a density of 1.032 g/mL at 25 °C(lit.) and a flash point of 113ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1638-86-4
- Jingsj CID
- J-33901-6
- Molecular Formula
- C10H15O2P
- Chinese Name
- 苯基膦酸二乙酯
- Molecular Weight
- 198.19900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 235ºC at 760mmHg |
|---|---|
| Density | 1.032 g/mL at 25 °C(lit.) |
| Flash Point | 113ºC |
Frequently Asked Questions
What is the CAS number of Diethyl phenylphosphonite?
The CAS number of Diethyl phenylphosphonite is 1638-86-4.
What are the molecular formula and molecular weight of Diethyl phenylphosphonite?
Diethyl phenylphosphonite has molecular formula C10H15O2P and molecular weight 198.19900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl phenylphosphonite (CAS 1638-86-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33901-6 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.