Trimethyl borate Methyl borate Cas:121-43-7

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Trimethyl borate Methyl borate

Description

Trimethyl borate Methyl borate CAS: 121-43-7 is an important organic intermediate. Our strong R&D and production capabilities and service team guarantee the high quality of Trimethyl borate Methyl borate CAS: 121-43-7, please be assured to buy Trimethyl borate Methyl borate CAS: 121-43-7 at We. Any inquiries and problems please feel free to send emails to us, we will reply you within 1 working day.

Specification

Product Name

Trimethyl borate

Other Name

Boric acid trimethyl ester; Boron methoxide; Methyl borate

CAS No.

121-43-7

Molecular Formula:

C3H9BO3

Molecular Weight:

143.19

Type

Boronic Acids and Derivatives;organic or inorganic borate;Organometallics;B (Classes of Boron Compounds);Boric Acid Esters;Boric Acid Triesters;Boron Compounds;Chemical Synthesis;Organoborates;Organometallic Reagents

Purity 99%min
Trimethyl borate Chemical Properties
Melting point -34 °C (lit.)
Boiling point 68-69 °C (lit.)
Density 0.932 g/mL at 20 °C (lit.)
Vapor Density 3.59 (vs air)
Refractive Index n20/D1.358(lit.)
Fp 8 °F
Storage Temp Store at <= 20°C.
Solubility Miscible with tetrahydrofuran, ether, isoporpylamine, hexane and methanol.
Form Liquid
Color Colorless
Water Solubility Reacts
Sensitive Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
Stability Stable. Incompatible with oxidizing agents. Decomposes slowly in the presence of moisture, rapidly in water. Flammable.
Trimethyl borate Safety Information
Hazard Codes Xn,F,T
Risk Statements 11-21-23/25-36/37/38-10-36-61-60
Safety Statements 16-27-36/37/39-45-25-23-2-26-53
RIDADR UN 2416 3/PG 2
WGK Germany 3
RTECS ED5600000
F 21
TSCA Yes
HazardClass 3
PackingGroup II
HS Code 29209085
Toxicity LD50 orally in rats:  6.14 ml/kg (Smyth)
Trimethyl borate Usage 
Uses As solvent for waxes, resins, oils; catalyst in the manufacture of ketones; analysis of paint and varnish ingredients; as neutron detector gas in the presence of a scintillation counter; as a promoter of diborane reactions.
Uses Trimethyl borate is a useful reagent in organic synthesis. It is involved in the production of resins, waxes and paints and acts as a methylation agent. As a boron source, it is used to prepare flame retardants, anti-oxidants and corrosion inhibitors. It reacts with Grignard reagents followed by hydrolysis to prepare boronic acid. It is also used as a precursor of borate esters, which finds application in the Suzuki coupling reaction. It is an intermediate in the preparation of sodium borohydride.
Uses Trimethyl borate reacts with a Grignard reagent or organolithium compounds to yield dimethyl boronates, which upon subsequent aqueous acid treatment afford corresponding boronic acids. The resultant boronic acids or esters are useful intermediates in various cross-coupling reactions such as Suzuki coupling and Chan-Lam coupling. It is also used in the preparation of sodium borohydride.

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