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  6. Trimethyl borate, 99%, Thermo Scientific Chemicals

Trimethyl borate, 99%, Thermo Scientific Chemicals

Product Code. 11489666
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Product Code. 11489666 Supplier Thermo Scientific Alfa Aesar Supplier No. B20215.AU
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Estimated Shipment: 17-08-2026
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Descrizione

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.

Solubility
Miscible with tetrahydrofuran, ether, isoporpylamine, hexane and methanol.

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.
TRUSTED_SUSTAINABILITY

Identificatori chimici

CAS 121-43-7
Molecular Formula C3H9BO3
Molecular Weight (g/mol) 103.912
MDL Number MFCD00008346
InChI Key WRECIMRULFAWHA-UHFFFAOYSA-N
Synonym trimethoxyborane, methyl borate, trimethoxyboron, boric acid, trimethyl ester, trimethylborate, boric acid trimethyl ester, trimethoxyborine, borester o, boric acid h3bo3 , trimethyl ester, b och3 3
PubChem CID 8470
ChEBI CHEBI:38913
IUPAC Name trimethyl borate
SMILES B(OC)(OC)OC

Specifica

Melting Point -34°C
Density 0.915
Boiling Point 67°C to 69°C
Flash Point −8°C (17°F)
Odor Odorless
Linear Formula (CH3O)3B
Refractive Index 1.361
Quantity 1000 mL
UN Number UN2416
Beilstein 1697939
Sensitivity Moisture sensitive
Merck Index 14,9712
Solubility Information Miscible with tetrahydrofuran,ether,isoporpylamine,hexane and methanol.
Formula Weight 103.92
Percent Purity 99%
Chemical Name or Material Trimethyl borate
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Sicurezza e movimentazione

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Identificativo prodotto
  • Trimethyl borate
 Avvertenza
  • Danger
 Categoria di pericolo
  • Acute toxicity Category 4
  • Flammable liquid Category 2
 Indicazioni di pericolo
  • H225-Highly flammable liquid and vapour.
  • H312-Harmful in contact with skin.
 Consigli di prudenza
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240-Ground/bond container and receiving equipment.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
 Informazioni supplementari
  • MIXTURE LIST-Contain: methanol, Trimethylborate

RUO – Research Use Only

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