Antimony(III) isopropoxide
Antimony(III) isopropoxide, CAS 18770-47-3, with the chemical formula Sb(OCH(CH3)2)3 and a molecular weight of 299.02 g/mol, is an organometallic compound. Supplied by Tech Serve Solutions as a liquid with a high purity of 99.99% trace metals basis, it serves as a valuable precursor in materials science and chemical synthesis, particularly for thin film deposition and catalysis.

Thin Film Deposition Precursor
Antimony(III) isopropoxide is utilised as a precursor in solution deposition techniques for creating thin films. Its properties make it suitable for applications in microelectronics and materials science.
Catalysis
This compound finds application as a catalyst or co-catalyst in various chemical reactions. Its organometallic nature allows it to facilitate specific transformations in organic synthesis.
Chemical Synthesis
It serves as a versatile reagent in inorganic and organometallic chemistry. Antimony(III) isopropoxide can be employed in the synthesis of other antimony-containing compounds.
Materials Science
Used in the development of novel materials, this antimony compound can be incorporated into structures to impart specific electronic or physical properties.
| Molecular weight | 299.02 |
|---|---|
| Linear formula | Sb(OCH(CH3)2)3 |
| Assay | 99.99% trace metals basis |
| Form | liquid |
| Boiling point | 53-54 °C/0.25 mmHg(lit.) |
| Density | 1.307 g/mL at 25 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 77 °C / 170.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 Antimony(III) isopropoxide used for?
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Antimony(III) isopropoxide is primarily used as a precursor in thin film deposition for microelectronics and materials science, and as a catalyst in chemical synthesis.
What is the CAS number and chemical formula for Antimony(III) isopropoxide?
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The CAS number is 18770-47-3, and the chemical formula is Sb(OCH(CH3)2)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Antimony(III) isopropoxide with an assay of 99.99% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Antimony(III) isopropoxide be handled safely?
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Handle with care, using appropriate personal protective equipment including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator as indicated by hazard statements H315, H319, and H335 (causes skin irritation, serious eye irritation, and may cause respiratory irritation).
How is Antimony(III) isopropoxide packed and shipped?
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This product is shipped according to relevant dangerous goods regulations (NA 1993 / PGIII). Specific packaging details can be provided upon request.
How can I request a sample or quote for Antimony(III) isopropoxide?
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To request a sample or quote, please contact our sales team through the website or by phone, providing your contact details and the product CAS number.
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