Indium(III) selenide
Indium(III) selenide (CAS: 12056-07-4) is an inorganic compound with the formula In2Se3. This chalcogenide material is primarily utilised in materials science and metal/ceramic research. Its distinct properties make it a subject of interest for advanced material applications and investigations into semiconductor behaviour. Tech Serve Solutions offers Indium(III) selenide for research and development purposes, ensuring reliable supply for scientific endeavours.

Materials Science Research
Indium(III) selenide is employed in advanced materials research, particularly in the study of chalcogenides. Its semiconducting properties are of interest for exploring novel electronic and optoelectronic applications.
Semiconductor Development
The compound's characteristics lend themselves to investigations within semiconductor development. Research may focus on its band gap, defect structures, and potential for use in specific electronic devices.
Metal and Ceramic Science Investigations
As a compound within metal and ceramic science, Indium(III) selenide can be studied for its structural and thermal properties. This research contributes to a broader understanding of inorganic materials.
| Molecular weight | 466.52 |
|---|---|
| Linear formula | In2Se3 |
| Density | 5.67 g/mL at 25 °C(lit.) |



Hazard statements
- H301Toxic if swallowed
- H331Toxic if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3283 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/25-33-50/53 |
| Safety statements (S) | 20/21-28-45-60-61 |
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 Indium(III) selenide used for?
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Indium(III) selenide is primarily used in materials science, semiconductor development, and metal and ceramic science research. Its applications are mainly in advanced material investigations.
What are the CAS number and formula for Indium(III) selenide?
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The CAS number for Indium(III) selenide is 12056-07-4, and its chemical formula is In2Se3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Indium(III) selenide, typically for research and development purposes. Specific grades and purities are available upon enquiry. TSS does not represent this product as USP, BP, or EP grade.
How should Indium(III) selenide be handled?
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Indium(III) selenide is classified as toxic if swallowed or inhaled and may cause damage to organs through prolonged exposure (H301-H331-H373) and is very toxic to aquatic life with long-lasting effects (H410). Handle with appropriate personal protective equipment, including a dust mask (type N95 or P2 respirator cartridges), eyeshields, faceshields, and gloves, in a well-ventilated area.
How is Indium(III) selenide packed and shipped?
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Indium(III) selenide is typically packed in compliance with UN 3283, Hazard Class 6.1, Packing Group III regulations. TSS handles exportations globally, adhering to all relevant shipping and safety protocols.
How can I request a quote or sample?
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To request a quote or sample of Indium(III) selenide, please contact the Tech Serve Solutions sales team via our website or listed contact details, providing your specific requirements.
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