Trimethyl borate
硼酸三甲酯
Also known as: Methyl borate, Trimethoxyborane, Boric acid trimethyl ester, Boron methoxide, Boron trimethoxide, Trimethoxyboron, Borester O
- CAS No.
- 121-43-7
- Jingsj CID
- J-42085-9
- Molecular Formula
- C3H9BO3
- Chinese Name
- 硼酸三甲酯
- Molecular Weight
- 103.913 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -34 °C |
|---|---|
| Boiling Point | 67.5±0.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | -8.3±0.0 °C |
GHS Safety & Compliance
Flammable / Irritant / Health HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of Trimethyl borate?
121-43-7
What are the molecular formula and molecular weight of Trimethyl borate?
C3H9BO3, molecular weight 103.913 g/mol
Is Trimethyl borate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026