Description

Trimethyl Borate is a highly versatile organoboron compound that serves as a crucial reagent and intermediate in advanced chemical synthesis. Its value lies in its ability to act as a methylating agent and a source of boron, enabling the production of specialty materials and fine chemicals. This product is essential for industries such as pharmaceuticals, agrochemicals, electronics, and advanced material science, where precise chemical transformations are required.

Application

• Chemical Synthesis: A key reagent for methylation reactions and as a precursor for other boron compounds.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Production: Serves as a building block for herbicides, fungicides, and other crop protection agents.
• Electronics & Semiconductors: Employed in chemical vapor deposition (CVD) processes for depositing boron-containing thin films.
• Polymer & Material Science: Acts as a cross-linking agent or modifier in the production of specialty polymers and ceramics.
• Laboratory Research: A valuable solvent and reagent in organic and inorganic chemistry research.
• Flame Retardants: Used as an intermediate in the formulation of boron-based flame retardant systems.

Basic Information

Product Name	Trimethyl Borate
CAS No.	1212-43-7
Molecular Formula	C3H9BO3
Molecular Weight	103.91 g/mol
Synonyms	Methyl Borate; Trimethoxyborane; Boric Acid Trimethyl Ester; Trimethyl Boron Trioxide; Trimethyl Orthoborate; TMB; B(OMe)3
EINECS	214-946-7

Quality Control

Our Trimethyl Borate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat and ignition sources. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) to maintain product integrity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	0.915 - 0.935 g/mL
Refractive Index (n20D)	1.354 - 1.358
Boiling Point	~68°C

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.