Trimethyl phosphite
亚磷酸三甲酯
Also known as: Trimethoxyphosphine, Methyl phosphite, Phosphorous acid, trimethyl ester, Trimethylfosfit, Fosforyn trojmetylowy, Methyl phosphite (P(OMe)3)
- CAS No.
- 121-45-9
- Jingsj CID
- J-20633-4
- Molecular Formula
- C3H9O3P
- Chinese Name
- 亚磷酸三甲酯
- Molecular Weight
- 124.076 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −78 °C(lit.) |
|---|---|
| Boiling Point | 110.2±8.0 °C at 760 mmHg |
| Density | 1.052 g/mL at 25 °C(lit.) |
| Flash Point | 27.8±0.0 °C |
GHS Safety & Compliance
Flammable / Corrosion / IrritantSignal word: Danger
Frequently Asked Questions
What is the CAS number of Trimethyl phosphite?
121-45-9
What are the molecular formula and molecular weight of Trimethyl phosphite?
C3H9O3P, molecular weight 124.076 g/mol
Is Trimethyl phosphite hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026