Antimony(III) propoxide
Antimony(III) propoxide (CAS: 4292-34-6, Sb(OC3H7)3) is a liquid chemical compound with a molecular weight of 299.02 g/mol. It is primarily utilised as a precursor in materials science for the synthesis of amorphous antimonic acid films and powders. These materials are investigated for their electrical conductivity and morphological properties, finding applications in micro/nanoelectronics and catalysis.

Precursor for Thin Film Deposition
Antimony(III) propoxide serves as a valuable precursor for depositing amorphous antimonic acid films using solution deposition techniques. This enables research into materials with specific electrical conductivity characteristics.
Powder Synthesis
This compound is employed in the preparation of antimonic acid powders. These powders are subject to detailed studies concerning their morphology and potential applications in catalysis and advanced materials.
Materials Science Research
It is used in materials science investigations, particularly for exploring the electrical and structural properties of antimony-based compounds and their derivatives.
| Molecular weight | 299.02 |
|---|---|
| Linear formula | Sb(OC3H7)3 |
| Assay | 98% |
| Form | liquid |
| Boiling point | 83-85 °C/1 mmHg(lit.) |
| Density | 1.375 g/mL at 25 °C(lit.) |
| Application | Precursor for amorphous antimonic acid films and powders used in electrical conductivity and morphology studies.1,2 |


Hazard statements
- 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 | 88 °C / 190.4 °F |
| Transport (UN / ADR) | UN 3082 9/PG 3 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 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) propoxide used for?
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Antimony(III) propoxide is used as a precursor for synthesizing amorphous antimonic acid films and powders, which are studied for their electrical conductivity and morphology in materials science and micro/nanoelectronics research.
What is the CAS number and formula for Antimony(III) propoxide?
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The CAS number for Antimony(III) propoxide is 4292-34-6, and its chemical formula is Sb(OC3H7)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Antimony(III) propoxide with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Antimony(III) propoxide be handled safely?
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Antimony(III) propoxide is harmful if swallowed or inhaled and is toxic to aquatic life with long-lasting effects (H302, H332, H411). Handling requires appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection such as a multi-purpose combination respirator cartridge or an ABEK respirator filter.
How is Antimony(III) propoxide packed, shipped, and exported?
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Antimony(III) propoxide is typically supplied as a liquid. International shipments adhere to UN 3082, Class 9, Packing Group III regulations for hazardous materials.
How can I request a sample or quote for Antimony(III) propoxide?
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To request a sample or a quotation for Antimony(III) propoxide, please contact the Tech Serve Solutions sales team through our website or by phone.
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