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Selenium, 99.5+%, powder, -200 mesh, Thermo Scientific Chemicals
Description
This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
Boiling Point | 685.0°C |
Melting Point | 217.0°C |
Color | Colorless to Yellow |
Physical Form | Solution |
Quantity | 50 g |
Linear Formula | Se |
Fieser | 01,990; 04,422; 05,575; 06,507; 08,439; 10,345; 11,465; 14,281 |
Merck Index | 158,568 |
Solubility Information | Solubility in water: insoluble. Other solubilities: soluble in concentrated acid, slightly soluble in diehtyl ether, almost insoluble in carbon disulfide, insoluble in ethanol |
Formula Weight | 78.96 |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
A0433813 | Certificate of Analysis | 08/03/2024 | 198070500,198070010,198072500 |
A0460495 | Certificate of Analysis | 26/02/2024 | 198070500,198070010,198072500 |
A0394182 | Certificate of Analysis | 15/12/2022 | 198070500,198070010,198072500 |
A0394354 | Certificate of Analysis | 14/12/2022 | 198070500,198070010,198072500 |
A0394183 | Certificate of Analysis | 14/12/2022 | 198070500,198070010,198072500 |
Safety and Handling


- Selenium
- Danger
- Acute toxicity Category 3
- LONG-TERM AQUATIC HAZARD Chronic 4
- Specific target organ toxicity after repeated exposure Category 2
- H373-May cause damage to organs.
- H331-Toxic if inhaled.
- H413-May cause long lasting harmful effects to aquatic life.
- H301-Toxic if swallowed.
- P260-Do not breathe dust/fume/gas/mist/vapours/spray.
- P264-Wash thoroughly after handling.
- P273-Avoid release to the environment.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P311-Call a POISON CENTER/doctor/ .
- P403+P233-Store in a well-ventilated place. Keep container tightly closed.
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