Trimethyl borate

99%, used for synthesis

  • Product Code: 238758
  Alias:    Trimethyl borate; methyl borate, trimethoxyborane
  CAS:    121-43-7
Molecular Weight: 103.91 g./mol Molecular Formula: C₃H₉BO₃
EC Number: 204-468-9 MDL Number: MFCD00008346
Melting Point: -34 °C Boiling Point: 68-69 °C(lit.)
Density: 0.932 g/mL at 20 °C(lit.) Storage Condition: Room temperature, inert gas
Product Description: Used as a reagent in organic synthesis, particularly in the preparation of boronic esters and boron-containing compounds for Suzuki coupling reactions. Acts as a moisture-scavenging agent in esterification and polymerization processes due to its ability to react with water. Employed in the production of borate esters used as flame retardants, lubricants, and plasticizers. Also utilized in the electronics industry as a precursor in the deposition of boron-based thin films and in the manufacturing of specialty glasses and ceramics.
Sizes / Availability / Pricing:
Size Availability Price Quantity
100ml 10-20 days £12.63
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500ml 10-20 days £45.91
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2.5L 10-20 days £195.12
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25L 10-20 days £1,365.82
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Trimethyl borate
Used as a reagent in organic synthesis, particularly in the preparation of boronic esters and boron-containing compounds for Suzuki coupling reactions. Acts as a moisture-scavenging agent in esterification and polymerization processes due to its ability to react with water. Employed in the production of borate esters used as flame retardants, lubricants, and plasticizers. Also utilized in the electronics industry as a precursor in the deposition of boron-based thin films and in the manufacturing of specialty glasses and ceramics.
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