Description

Tetramethyldiborane is a highly volatile organoboron compound with the molecular formula C4H14B2. This chemical is a critical reagent in advanced materials science, serving as a versatile precursor for boron-containing thin films and polymers. It is primarily utilized by researchers and manufacturers in the semiconductor, specialty polymer, and chemical vapor deposition (CVD) industries for doping applications and the synthesis of novel boron-carbon materials.

Application

• Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD): A key boron source for depositing boron-doped thin films, such as boron carbide (BxCy) and boron nitride (BN), on semiconductor wafers and other substrates.
• Polymer & Materials Synthesis: Acts as a monomer or cross-linking agent in the production of boron-based polymers and advanced ceramics with high thermal stability.
• Organic Synthesis & Catalysis: Employed as a specialized reducing agent or boron-transfer reagent in the synthesis of complex organic molecules and pharmaceutical intermediates.
• Doping Agent for Semiconductors: Used to introduce boron atoms into silicon and other semiconductor materials to modify their electrical properties (p-type doping).
• Research & Development: A valuable compound for academic and industrial R&D in organometallic chemistry, energy storage materials, and neutron capture therapy agents.

Basic Information

Item	Details
Product Name	Tetramethyldiborane
CAS No.	21482-59-7
Molecular Formula	C4H14B2
Molecular Weight	85.77 g/mol
Synonyms	Dimethylborane dimer; Tetramethyldiborane(6); Bis(dimethylborane); 1,1,2,2-Tetramethyldiborane; Tetramethyl diborane; Tetramethyl-diboran; Tetramethyldiborane (as dimer of dimethylborane); Me4B2H2
EINECS	Contact for details

Quality Control

Our Tetramethyldiborane is produced and handled under stringent quality protocols to ensure batch-to-batch consistency and purity for sensitive applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay purity and impurity profiles. Our quality management system is designed to meet the exacting standards of the electronics and advanced materials industries.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and easily oxidized nature, this product must be stored under an inert atmosphere (e.g., argon or nitrogen) at recommended temperatures between 2°C and 8°C. Keep the container in a cool, dry, well-ventilated place, away from strong bases and organic solvents. Handle and store only in equipment compatible with pyrophoric and air-sensitive materials.

Specification

Item	Specification
Appearance	Colorless liquid / gas
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (NMR)	≥ 97.0%
Major Impurities (GC-MS)	Trimethylborane, other boranes

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