Antimony(III) sulfide

CAS 1345-04-6Sb2S3Metal & Ceramic Science

Antimony(III) sulfide (CAS: 1345-04-6; Formula: Sb2S3; Molar Mass: 339.72 g/mol) is an inorganic compound primarily known for its semiconductor properties. This dark grey to black solid finds applications in materials science, particularly in the development of optoelectronic devices, thermoelectric materials, and as a component in specialized glass and ceramic manufacturing. Tech Serve Solutions supplies this material with a high assay for research and industrial applications.

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Antimony(III) sulfide (Sb2S3) — chemical structure, CAS 1345-04-6; Materials Science, fine chemical supplied by Tech Serve Solutions

ChalcogenidesMaterials ScienceMetal and Ceramic Science

01 /Applications

Semiconductor Research

Antimony(III) sulfide is utilised in the research and development of novel semiconductor devices due to its unique electronic and optical properties. Its application spans areas such as thin-film transistors and photovoltaic cells.

Materials Science

This compound is a key component in the creation of advanced materials, including thermoelectric generators and sensors. It contributes to materials with specific thermal and electrical conductivity characteristics.

Specialty Glass and Ceramics

Antimony(III) sulfide is employed in the manufacturing of certain types of glass and ceramics, contributing to their colouration and specific optical properties. It is used to impart a ruby-red or black colour to glass.

Pyrotechnics and Ammunition

Historically, antimony sulfides have been used as components in pyrotechnic compositions and in primers for ammunition, acting as friction-sensitive ingredients.

02 /Properties

Molecular weight	339.72
Linear formula	Sb2S3
Assay	99.995% trace metals basis
Density	4.64 g/mL at 25 °C(lit.)
Melting point	550 °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, Gloves
Transport (UN / ADR)	UN 1549 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.

04 /Identifiers & registry

CAS number

1345-04-6

MDL number

MFCD00011217

PubChem substance

24853278

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 Antimony(III) sulfide used for?

Antimony(III) sulfide (CAS: 1345-04-6) is used in semiconductor research, materials science for thermoelectric applications, the production of specialty glasses and ceramics, and historically in pyrotechnics and ammunition primers.

What are the CAS number and chemical formula for Antimony(III) sulfide?

The CAS number for Antimony(III) sulfide is 1345-04-6, and its chemical formula is Sb2S3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Antimony(III) sulfide with an assay of 99.995% on a trace metals basis. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.

What are the safety and handling precautions for Antimony(III) sulfide?

Antimony(III) sulfide is harmful if swallowed or inhaled and is toxic to aquatic life with long-lasting effects (H302, H332, H411). When handling, use a dust mask type N95 (US), eyeshields, and gloves. Avoid release to the environment (P273).

How is Antimony(III) sulfide packed and shipped?

Antimony(III) sulfide is shipped under UN 1549, hazard class 6.1, packing group III, conforming to ADR/RID regulations. Specific packaging details can be provided upon request.

How can I request a sample or quote for Antimony(III) sulfide?

To request a sample or a quote for Antimony(III) sulfide, please contact the Tech Serve Solutions sales team through our website or by phone, referencing the product name and CAS number.