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Trimethyl borate, 99%
Description
Chemical Properties
· Formula : C3H9BO3
· Formula weight : 103.92
· Melting Point : -34°
· Boiling Point : 67-69°
· Flash point : -8°(17°F)
· Density : 0.915
· Refractive Index : 1.3610
· Sensitivity : Moisture Sensitive. Ambient temperatures.
· Form : Liquid
· Solubility : Miscible with tetrahydrofuran, ether, isoporpylamine, hexane and methanol.
Literature References
For an example of the low temperature reaction with Grignard reagents to give boronic acids., see: Org. Synth. Coll., 4, 68 (1963).
Applications
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 Suzuki coupling reaction. It is an intermediate in the preparation of sodium borohydride.
Notes
Moisture sensitive. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents. It decomposes slowly in the presence of moisture and rapidly in water.
Other References:
· Beilstein : 1697939
· Merck : 14,9712
· UN# : UN2416
GHS Hazard and Precautionary Statements
Hazard Statements : H225-H312
Highly flammable liquid and vapour.Harmful in contact with skin.
Precautionary Statements : P210-P261-P262
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.Avoid breathing dust/fume/gas/mist/vapours/spray.Do not get in eyes, on skin, or on clothing.
위험 및 안전 코드
위험 문구 : 10-21
Flammable.Harmful in contact with skin.
안전 문구 : 23-25
Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).Avoid contact with eyes.
· TSCA : 예
· RTECS : ED5600000