Tech Serve Solutions

Copper(I) selenide

CAS 20405-64-5Cu2SeMetal & Ceramic Science

Copper(I) selenide (CAS 20405-64-5), molecular formula Cu2Se, is a high-purity chemical supplied by Tech Serve Solutions for metal & ceramic science applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

Copper(I) selenide
Alternative EnergyChalcogenidesMaterials ScienceMetal and Ceramic ScienceThermoelectric Materials
01 /Properties
Molecular weight206.05
Linear formulaCu2Se
Assay99.95% trace metals basis
Density6.84 g/mL at 25 °C(lit.)
02 /Safety & handling
Toxic
Toxic
Health hazard
Health hazard
Environmental hazard
Environmental hazard
Danger

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 equipmentEyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Transport (UN / ADR)UN 3283 6.1 / PGII
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.

03 /Identifiers & registry
CAS number
20405-64-5
MDL number
MFCD00049908
PubChem substance
24871772
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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.

05 /Frequently asked questions

What is Copper(I) selenide?

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Copper(I) selenide (CAS 20405-64-5), molecular formula Cu2Se, is a high-purity chemical supplied by Tech Serve Solutions for metal & ceramic science applications, to USP, BP and EP standards.

What grades of Copper(I) selenide does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Copper(I) selenide in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Copper(I) selenide?

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Copper(I) selenide has CAS number 20405-64-5 and molecular formula Cu2Se. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Copper(I) selenide?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of Copper(I) selenide ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Copper(I) selenide be stored?

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Store Copper(I) selenide in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Copper(I) selenide used for?

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Copper(I) selenide is used in metal & ceramic science applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Copper(I) selenide?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need Copper(I) selenide in a specific grade or volume?

Request a quote