Triphenylantimony(III)
Triphenylantimony(III), CAS 603-36-1, with the molecular formula (C6H5)3Sb and a molecular weight of 353.07 g/mol, is an organoantimony compound. It is a stable solid typically supplied at 99% purity. This compound serves as a valuable reagent in organic synthesis and as a catalyst precursor in various chemical processes, particularly within inorganic chemistry research and development.
- IUPAC
- Antimony(III)triphenyl,Triphenylstibine
- Synonyms
- TriphenylstibineAntimony triphenylAntimony(III) triphenyl

Organic Synthesis Reagent
Triphenylantimony(III) is employed as a versatile reagent in organic synthesis. It can participate in various coupling reactions and act as a source of phenyl groups or antimony in specific synthetic pathways.
Catalysis Precursor
This compound finds application as a precursor for catalytic systems. Its ability to coordinate with other metals or undergo transformations makes it useful in developing novel catalysts for industrial and research purposes.
Inorganic Chemistry Research
As an organoantimony compound, Triphenylantimony(III) is a subject of study in inorganic chemistry. It is used to explore the properties and reactivity of antimony-containing molecules and coordination complexes.
| Molecular weight | 353.07 |
|---|---|
| Linear formula | (C6H5)3Sb |
| Assay | 99% |
| Boiling point | 377 °C(lit.) |
| Melting point | 52-54 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H332Harmful if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Flash point | 113 °C / 235.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3467 6.1 / PGIII |
| 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 Triphenylantimony(III) used for?
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Triphenylantimony(III) is used as a reagent in organic synthesis and as a precursor for catalysts, particularly in inorganic chemistry research.
What is the CAS number and chemical formula for Triphenylantimony(III)?
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The CAS number is 603-36-1 and the linear formula is (C6H5)3Sb.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triphenylantimony(III) at a purity of 99%. We do not represent this product as USP, BP, or EP grade.
How should Triphenylantimony(III) be handled safely?
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Triphenylantimony(III) is harmful if swallowed and harmful if inhaled (H302, H332). It is also toxic to aquatic life with long lasting effects (H411). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid release to the environment (P273).
How is Triphenylantimony(III) packed, shipped, and exported?
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Triphenylantimony(III) is packed according to stringent safety and regulatory standards for chemical transport. TSS exports this product globally, adhering to all international shipping regulations, including UN 3467, 6.1/PGIII for hazardous materials.
How can I request a sample or a quote for Triphenylantimony(III)?
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To request a sample or a quote, please contact our sales team through the website or by phone. Provide the product name and CAS number (603-36-1) for prompt service.
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