Description

Trimethylboron is a highly reactive organoboron compound with the molecular formula B(CH₃)₃, primarily supplied as a compressed gas. This compound serves as a fundamental precursor and doping agent in advanced materials science and semiconductor manufacturing. It is essential for industries requiring precise chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create high-performance electronic and optical coatings.

Application

• Semiconductor Manufacturing: As a critical p-type doping source for chemical vapor deposition (CVD) of boron-containing thin films, such as boron nitride (BN) and boron-doped silicon.
• Advanced Materials Synthesis: Used as a reagent in the production of boron-carbon (B-C) and boron-nitrogen (B-N) advanced ceramics and composites.
• Organic Synthesis & Catalysis: Acts as a methylating agent and catalyst in specialized organic reactions and polymer chemistry.
• Research & Development: Employed in academic and industrial R&D for developing new boron-based materials and studying reaction mechanisms.
• Optoelectronics: Used in the deposition of layers for light-emitting diodes (LEDs) and other optoelectronic devices.

Basic Information

Item	Details
Product Name	Trimethylboron
CAS No.	593-90-8
Molecular Formula	C₃H₉B / B(CH₃)₃
Molecular Weight	55.91 g/mol
Synonyms	Trimethylborane; Boron, trimethyl-; TMB; Methylboron; Trimethylborine; B(CH3)3; TMBD; Trimethylboron (1-)
EINECS	209-798-5

Quality Control

Our Trimethylboron is produced and handled under stringent quality management protocols to ensure high purity and batch-to-batch consistency. Each lot is analyzed using advanced gas chromatography (GC) and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance requirements.

Storage

Preserve in a tightly closed, approved high-pressure cylinder, protected from light. Store in a cool, well-ventilated area away from heat sources, ignition points, and incompatible materials. Due to its highly volatile and gaseous nature, cylinders must be secured upright and handled with appropriate equipment. Keep under an inert atmosphere and monitor for leaks.

Specification

Item	Specification
Appearance	Colorless gas
Identification (IR)	Conforms
Assay (GC)	≥ 99.5% (mol/mol)
Oxygen (as O₂)	≤ 10 ppm
Nitrogen (as N₂)	≤ 50 ppm
Carbon Dioxide (as CO₂)	≤ 10 ppm
Moisture (H₂O)	≤ 5 ppm

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