Antimony(III) ethoxide
Antimony(III) ethoxide (CAS: 10433-06-4), with the chemical formula Sb(OC2H5)3, is an organometallic compound with a molecular weight of 256.94 g/mol. This compound serves as a valuable precursor in materials science, particularly for solution deposition techniques. It is employed as a catalyst in various chemical syntheses and finds application in micro/nanoelectronics manufacturing, contributing to the development of advanced materials.

Catalyst in Chemical Synthesis
Antimony(III) ethoxide can function as a catalyst in organic reactions. Its reactivity allows it to promote specific transformations, making it useful in the synthesis of complex molecules.
Precursor for Materials Science
This compound is utilised as a precursor in materials science, especially for methods like solution deposition. It enables the formation of specific antimony-containing materials with desired properties.
Micro/Nanoelectronics Applications
The unique properties of Antimony(III) ethoxide lend themselves to applications within the micro and nanoelectronics industries. It can be involved in the fabrication processes for electronic components.
| Molecular weight | 256.94 |
|---|---|
| Linear formula | Sb(OC2H5)3 |
| Density | 1.513 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.495(lit.) |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H332Harmful if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 60 °C / 140 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 10-20/22-51/53 |
| Safety statements (S) | 61 |
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) ethoxide used for?
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Antimony(III) ethoxide is used as a catalyst in chemical synthesis and as a precursor in materials science, including micro/nanoelectronics and solution deposition applications.
What is the CAS number and formula for Antimony(III) ethoxide?
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The CAS number for Antimony(III) ethoxide is 10433-06-4, and its chemical formula is Sb(OC2H5)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Antimony(III) ethoxide. The specific grade and purity available are typically indicated on the product's Certificate of Analysis. TSS does not represent this product as USP, BP, or EP grade.
How should Antimony(III) ethoxide be handled safely?
+
Antimony(III) ethoxide is flammable and harmful if swallowed or inhaled, and is toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid release to the environment.
How is Antimony(III) ethoxide packed and shipped?
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Antimony(III) ethoxide is packed and shipped according to international regulations for hazardous materials, designated as UN 1993, Class 3, Packing Group III, reflecting its flammable nature.
How can I request a sample or quote for Antimony(III) ethoxide?
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To request a sample or a quote for Antimony(III) ethoxide, please contact the Tech Serve Solutions sales team through our website or by phone.
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