| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Email: |
saleschina@alfa-asia.com |
| Company Name: |
Sigma-Aldrich |
| Tel: |
021-61415566 800-8193336 |
| Email: |
orderCN@merckgroup.com |
- COPPER(I) SELENIDE
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-
2025-04-04
- CAS:20405-64-5
- Min. Order: 1KG
- Purity: 98%
- Supply Ability: 1ton
- COPPER(I) SELENIDE
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- $1.00
-
2019-07-06
- CAS:20405-64-5
- Min. Order: 50 g
- Purity: 99.9%
- Supply Ability: 20kg
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| | COPPER(I) SELENIDE Basic information |
| | COPPER(I) SELENIDE Chemical Properties |
| Melting point | 1113°C | | density | 6.84 g/mL at 25 °C (lit.) | | solubility | insoluble in H2O; soluble in acid solutions | | form | Pieces | | color | Dark blue to black | | Water Solubility | Soluble in hydrochloric acid. Insoluble in water. | | Merck | 14,2666 | | Exposure limits | ACGIH: TWA 1 mg/m3; TWA 0.2 mg/m3
NIOSH: IDLH 100 mg/m3; IDLH 1 mg/m3; TWA 1 mg/m3; TWA 0.2 mg/m3 | | InChI | 1S/2Cu.Se | | InChIKey | KTLOQXXVQYUCJU-UHFFFAOYSA-N | | SMILES | [Cu][Se][Cu] | | EPA Substance Registry System | Copper selenide (Cu2Se) (20405-64-5) |
| Hazard Codes | T,N | | Risk Statements | 23/25-33-50/53 | | Safety Statements | 20/21-28-45-60-61 | | RIDADR | UN 3077 9/PG 3 | | WGK Germany | 3 | | TSCA | TSCA listed | | HazardClass | 6.1(b) | | PackingGroup | III | | HS Code | 2921290090 | | Storage Class | 6.1B - Non-combustible acute toxic Cat. 1 and 2
very toxic hazardous materials | | Hazard Classifications | Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
STOT RE 2 |
| | COPPER(I) SELENIDE Usage And Synthesis |
| Chemical Properties | Dark-blue to black crystalline solid. Soluble in sulfuric acid (sulfur dioxide evolved); also in potassium cyanide solution. | | Uses | Copper(I) selenide is used as intermediate in chemical research. It is a thermoelectric material used in a number of industrial applications including infrared detection and imaging. | | Uses | In semiconductors. | | General Description | This product has been enhanced for energy efficiency. | | Synthesis | Selenium vapor carried in a stream of nitrogen is passed over Cu placed in a porcelain boat. The Se is also in a porcelain boat located ahead of the Cu in the quartz reaction tube. A thermal gradient is obtained by means of two electric heaters which maintain the temperature of the Cu at about 400 °C and that of the Se at about 300°C. A well-crystallized Copper(I) selenide is obtained. |
| | COPPER(I) SELENIDE Preparation Products And Raw materials |
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