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45660 20405-64-5 Copper(I) selenide, 99.5% (metals basis) Alfa Aesar


Certificate of Analysis

Copper(I) selenide, 99.5% (metals basis)

CAS: 20405-64-5 MDL: MFCD00049908  EINECS: 243-796-7
UN#:UN3077Hazard Class:9Packing Group:III


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
10g 77.10 Check Availability Add to Favorites Enter qty and click checkbox
50g 272.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: Cu2Se  Melting point: 1113°
Formula weight: 206.05  Density: 6.84
Form: 2mm & down pieces 

Other References

Merck: 14,2666
UN#: UN3077
Harmonized Tariff Code: 2842.90

GHS Hazard and Precautionary Statements

Hazard Statements : H301-H331-H373-H400-H410

Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Precautionary Statements : P260-P261-P301+P310-P304+P340-P405-P501A

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

ToxicHealth HazardDangerous for the environment

Risk & Safety

Risk Phrases: 23/25-33-50/53
Toxic by inhalation and if swallowed. Danger of cumulative effects. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases: 20/21-28-45-60-61
When using do not eat, drink or smoke. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/Safety data sheets
Toxic Dangerous for the environment