Description

Tris(dimethylamino)antimony (CAS No. 7289-92-1) is a highly specialized organoantimony compound with the molecular formula C₆H₁₈N₃Sb. Also known by its IUPAC name N-[bis(dimethylamino)stibanyl]-N-methylmethanamine, this compound is a valuable precursor in advanced material synthesis and semiconductor applications. It is characterized by its high purity and stability, making it suitable for use in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes. The compound is supplied as a clear to pale yellow liquid under inert conditions to ensure optimal shelf life and performance. Strict quality control measures are implemented to guarantee consistency for research and industrial applications.

Key features include:

• High purity grade (≥99%) for precision applications
• Moisture-sensitive – requires handling under inert atmosphere
• Compatible with semiconductor manufacturing processes
• Available in various packaging options with custom quantities

Properties

• CAS Number: 7289-92-1
• Complexity: 74
• IUPAC Name: N-[bis(dimethylamino)stibanyl]-N-methyl-methanamine
• InChI: InChI=1S/3C2H6N.Sb/c3*1-3-2;/h3*1-2H3;/q3*-1;+3
• InChI Key: ZUSRFDBQZSPBDV-UHFFFAOYSA-N
• Exact Mass: 253.05388
• Molecular Formula: C6H18N3Sb
• Molecular Weight: 253.99
• SMILES: CN(C)[Sb](N(C)C)N(C)C
• Topological: 9.7
• Monoisotopic Mass: 253.05388
• Synonyms: TRIS(DIMETHYLAMINO)ANTIMONY, 7289-92-1, DTXSID901046351, (bis(dimethylamino)stibanyl)dimethylamine, [BIS(DIMETHYLAMINO)STIBANYL]DIMETHYLAMINE, Tris(dimethylamino)antimony(V), DTXCID301528171, Tris(dimethylamido)antimony(III), N-[bis(dimethylamino)stibanyl]-N-methylmethanamine, Tris(dimethylamino)antimony(III), MFCD00269812, trisdimethylaminoantimony, SCHEMBL315682, Tris(dimethylamino)antimony(TDMASb), DB-234144, NS00127357, Tris(dimethylamido)antimony(III), 99.99% trace metals basis

Application

Tris(dimethylamino)antimony serves as a crucial precursor in the deposition of antimony-containing thin films for semiconductor devices. It finds particular utility in the fabrication of III-V compound semiconductors where controlled doping is required. The compound’s volatility and clean decomposition profile make it suitable for MOCVD applications in optoelectronic device manufacturing. Researchers also employ it in the development of novel catalytic systems and advanced materials with tailored electronic properties.

Safety and Hazards

GHS Hazard Statements

• H226 (35.5%): Flammable liquid and vapor [Warning Flammable liquids]
• H260 (98.4%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]
• H300 (35.5%): Fatal if swallowed [Danger Acute toxicity, oral]
• H302 (62.9%): Harmful if swallowed [Warning Acute toxicity, oral]
• H310 (35.5%): Fatal in contact with skin [Danger Acute toxicity, dermal]
• H314 (64.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H330 (35.5%): Fatal if inhaled [Danger Acute toxicity, inhalation]
• H332 (62.9%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H411 (62.9%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P210, P223, P231+P232, P233, P240, P241, P242, P243, P260, P261, P262, P264, P270, P271, P273, P280, P284, P301+P316, P301+P317, P301+P330+P331, P302+P335+P334, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P320, P321, P330, P361+P364, P363, P370+P378, P391, P402+P404, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 3 (35.5%)
• Water-react. 1 (98.4%)
• Acute Tox. 2 (35.5%)
• Acute Tox. 4 (62.9%)
• Acute Tox. 2 (35.5%)
• Skin Corr. 1B (64.5%)
• Acute Tox. 2 (35.5%)
• Acute Tox. 4 (62.9%)
• Aquatic Chronic 2 (62.9%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.