Triphenylantimony(V) dichloride

CAS 594-31-0(C6H5)3SbCl2Catalysis & Inorganic

Triphenylantimony(V) dichloride (CAS 594-31-0), with the linear formula (C6H5)3SbCl2, is an organometallic compound with a molecular weight of 423.98 g/mol. It functions as a valuable reagent and catalyst in organic synthesis. Key applications include its use in regioselective cycloaddition reactions, the synthesis of organoantimony(V) compounds, and in Suzuki-type cross couplings, highlighting its utility in advanced chemical research and development.

IUPAC: Dichlorotriphenylantimony(V),NSC 179782,NSC 432,Triphenylstibine dichloride
Synonyms: Dichlorotriphenylantimony(V)Triphenylstibine dichloride

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Triphenylantimony(V) dichloride ((C6H5)3SbCl2) — chemical structure, CAS 594-31-0; Chemistry, fine chemical supplied by Tech Serve Solutions

AntimonyChemical Synthesis

01 /Applications

Catalyst in Cycloaddition Reactions

This compound acts as a catalyst for the regioselective cycloaddition of aziridines with heterocumulenes. It also facilitates the reaction of epoxides with carbon dioxide, demonstrating its versatility in forming cyclic structures.

Precursor for Organoantimony Synthesis

Triphenylantimony(V) dichloride serves as a reactant for synthesising various organoantimony(V) compounds. This includes the preparation of compounds with arylcarbonyloxy moieties and the formation of symmetrical macrocyclic organoantimony(V) complexes.

Reagent in Cross-Coupling Reactions

It is employed as a reactant in oxidation reactions and plays a role in Suzuki-type cross couplings, enabling the formation of carbon-carbon bonds in complex molecules.

02 /Properties

Molecular weight	423.98
Linear formula	(C6H5)3SbCl2
Assay	99%
Application	Catalyst for:• Regioselective cycloaddition of aziridines with heterocumulenes1• Reaction of epoxides with carbon dioxide2Reactant for synthesis of:• Tetraphenylantimony compounds with arylcarbonyloxy moieties3• Symmetrical 24-membered macrocyclic organoantimony(V) complexes4Reactant for oxidation5 and Suzuki-type cross couplings6
Melting point	143-145 °C(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

GHS hazard pictogram: Environmental hazard (GHS09) — Environmental hazard

Warning

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	dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Transport (UN / ADR)	UN 2923 8/PG 2
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.

04 /Identifiers & registry

CAS number

594-31-0

MDL number

MFCD00013598

PubChem substance

24848199

05 /Quality & supply

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.

06 /Frequently asked questions

What is Triphenylantimony(V) dichloride used for?

Triphenylantimony(V) dichloride is used as a catalyst for the regioselective cycloaddition of aziridines with heterocumulenes and the reaction of epoxides with carbon dioxide. It also serves as a reactant for synthesising various organoantimony(V) compounds and in oxidation and Suzuki-type cross couplings.

What is the CAS number and formula for Triphenylantimony(V) dichloride?

The CAS number is 594-31-0 and the linear formula is (C6H5)3SbCl2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Triphenylantimony(V) dichloride with an assay of 99%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.

How should Triphenylantimony(V) dichloride be handled safely?

Triphenylantimony(V) dichloride is harmful if swallowed and inhaled (H302, H332) and is toxic to aquatic life with long lasting effects (H411). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, faceshields, and gloves. Avoid release to the environment (P273).

How is Triphenylantimony(V) dichloride packed and exported?

This product is classified under UN 2923, 8/PG 2. Tech Serve Solutions, a specialist global supplier and exporter, ensures appropriate packaging and adherence to regulations for international shipment.

How can I request a quote or sample for Triphenylantimony(V) dichloride?

To request a quote or sample, please contact the Tech Serve Solutions sales team through our official website or designated contact channels, providing the product name and CAS number.