Description

Trimethylantimony is a highly volatile organometallic compound of antimony, primarily used as a precursor in advanced material synthesis. Its value lies in its ability to deliver antimony in a reactive, volatile form, which is critical for processes requiring precise deposition and controlled stoichiometry. This product is essential for manufacturers and researchers in the semiconductor, photovoltaic, and specialty chemical industries seeking high-purity metalorganic sources.

Application

• Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD): A key precursor for depositing antimony-containing thin films in semiconductor and optoelectronic devices.
• III-V Semiconductor Manufacturing: Used in the production of compound semiconductors like GaSb, InSb, and AlSb for infrared detectors and high-speed electronics.
• Catalysis Research: Serves as a catalyst or catalyst precursor in selective organic synthesis and polymerization reactions.
• Dopant Source: Employed as a doping agent to introduce antimony into silicon and other materials to modify electrical properties.
• Nanomaterial Synthesis: A reactive starting material for the synthesis of antimony-based nanoparticles and quantum dots.
• Specialty Chemical Intermediate: Used in the synthesis of more complex organoantimony compounds for research and development.

Basic Information

Product Name	Trimethylantimony
CAS No.	594-10-5
Molecular Formula	C3H9Sb
Molecular Weight	166.89 g/mol
Synonyms	Antimony, trimethyl-; Stibine, trimethyl-; Trimethylstibine; TMSb; Methylantimony; Antimony trimethyl; TMASb; (CH3)3Sb
EINECS	209-833-8

Quality Control

Our Trimethylantimony is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including Gas Chromatography (GC) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to verify purity and control metallic impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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 (argon or nitrogen) at temperatures between 2°C and 8°C. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers and acids.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 99.0%
Antimony (Sb) Content	72.5 - 73.5 %
Trace Metals (ICP-MS)	< 10 ppm total

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