Tris(dimethylamido)antimony(III)
Tris(dimethylamido)antimony(III) (CAS: 7289-92-1), with the formula [(CH3)2N]3Sb and a molecular weight of 253.99 g/mol, is a chemical compound used in materials science and microelectronics. It serves as a precursor in chemical synthesis, particularly for vapour deposition techniques like CVD and ALD. Its reactive nature requires careful handling.
- IUPAC
- Tris(dimethylamino)antimony(III)
![Tris(dimethylamido)antimony(III) ([(CH3)2N]3Sb) — chemical structure, CAS 7289-92-1; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F7289-92-1.png&w=3840&q=75)
CVD and ALD Precursor
This antimony compound is utilized as a precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) processes. It enables the deposition of thin films containing antimony for electronic applications.
Materials Science
It finds application in materials science research for the synthesis of novel antimony-containing materials. These materials may possess unique electronic or optical properties.
Inorganic Chemistry
Within inorganic chemistry, Tris(dimethylamido)antimony(III) serves as a reagent for the synthesis of various organometallic and coordination compounds involving antimony.
Catalysis
The compound can be explored for potential applications in catalysis, where antimony-based complexes may exhibit catalytic activity in specific chemical transformations.
| Molecular weight | 253.99 |
|---|---|
| Linear formula | [(CH3)2N]3Sb |
| Assay | 99.99% trace metals basis |
| Boiling point | 32-34 °C/0.45 mmHg |
| Density | 1.325 g/mL at 25 °C(lit.) |
Hazard statements
- H260In contact with water releases flammable gases
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P223Do not allow contact with water
- P231Handle under inert gas
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P370In case of fire
- P422
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3398 4.3/PG 1 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | C,N |
| Risk statements (R) | 10-14-20/22-34-51/53 |
| Safety statements (S) | 16-26-36/37/39-45-61 |
| Supplemental hazards | Reacts violently with water. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Tris(dimethylamido)antimony(III) used for?
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Tris(dimethylamido)antimony(III) is primarily used as a precursor in CVD and ALD processes for thin film deposition, in materials science for synthesising antimony-containing materials, and in inorganic chemistry for preparing antimony compounds.
What is the CAS number and chemical formula for Tris(dimethylamido)antimony(III)?
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The CAS number is 7289-92-1 and the chemical formula is [(CH3)2N]3Sb.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(dimethylamido)antimony(III) with an assay of 99.99% trace metals basis. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
What are the primary safety concerns when handling this chemical?
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This compound reacts violently with water (H260), is harmful if swallowed (H302) and inhaled (H332), causes severe skin burns and eye damage (H314), and is toxic to aquatic life with long-lasting effects (H411). It requires strict handling precautions, including appropriate personal protective equipment and avoidance of contact with moisture.
How is Tris(dimethylamido)antimony(III) packed and shipped?
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Tris(dimethylamido)antimony(III) is packed and shipped according to its hazardous classification (UN 3398, Class 4.3). TSS exports chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Tris(dimethylamido)antimony(III)?
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To request a sample or a quotation for Tris(dimethylamido)antimony(III), please contact the TSS sales team through the website or by phone, providing your specific requirements.
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