Methyl diphenylphosphinite
甲氧基二苯基膦
Also known as: Methoxydiphenylphosphine, Diphenylmethoxyphosphine, Diphenylphosphinous acid methyl ester, Methoxydiphenylphosphane, methoxy(diphenyl)phosphane, NSC 171167, Phosphinous acid, P,P-diphenyl-, methyl ester, AURORA KA-1329
Methyl diphenylphosphinite (CAS 4020-99-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H13OP and a molecular weight of 216.215 g/mol. It is also known as Methoxydiphenylphosphine, Diphenylmethoxyphosphine and Diphenylphosphinous acid methyl ester. Key properties include a boiling point of 299.9±23.0 °C at 760 mmHg, a density of 1.078 g/mL at 25 °C(lit.) and a flash point of 163.7±22.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4020-99-9
- Jingsj CID
- J-1504292-3
- Molecular Formula
- C13H13OP
- Chinese Name
- 甲氧基二苯基膦
- Molecular Weight
- 216.215 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 299.9±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.078 g/mL at 25 °C(lit.) |
| Flash Point | 163.7±22.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Methyl diphenylphosphinite?
The CAS number of Methyl diphenylphosphinite is 4020-99-9.
What are the molecular formula and molecular weight of Methyl diphenylphosphinite?
Methyl diphenylphosphinite has molecular formula C13H13OP and molecular weight 216.215 g/mol.
Is Methyl diphenylphosphinite hazardous?
Methyl diphenylphosphinite has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl diphenylphosphinite (CAS 4020-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504292-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.