

| selenium basic information |
| product name: | selenium |
| synonyms: | vandex;yeast bound selenium;wieningers reagent;wieninger's reagent;selenium single element standard;selenium standard;selenium standard solution;selenium plasma emission spectroscopy standard |
| cas: | 7782-49-2 |
| mf: | se |
| mw: | 78.96 |
| einecs: | 231-194-7 |
| product categories: | inorganics;pure elementschemical synthesis;seleniummetal and ceramic science;catalysis and inorganic chemistry;electronic chemicals;micro/nanoelectronics;metal and ceramic science;metals;selenium;metal or element |
| mol file: | 7782-49-2.mol |
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| selenium chemical properties |
| mp | 217 °c(lit.) |
| bp | 684.9 °c(lit.) |
| density | 4.81 g/ml at 25 °c(lit.) |
| solubility | h2o: soluble |
| form | powder |
| water solubility | insoluble |
| merck | 13,8505 |
| stability: | stable. incompatible with strong acids, strong oxidizing agents and most common metals. combustible. |
| cas database reference | 7782-49-2(cas database reference) |
| nist chemistry reference | selenium atom(7782-49-2) |
| epa substance registry system | selenium(7782-49-2) |
| safety information |
| hazard codes | t |
| risk statements | 36/38-53-33-23/25 |
| safety statements | 26-61-45-28-20/21-28a |
| ridadr | un 3440 6.1/pg 3 |
| wgk germany | 2 |
| rtecs | vs7700000 |
| packinggroup | iii |
| hazardous substances data | 7782-49-2(hazardous substances data) |
| selenium usage and synthesis |
| chemical properties | dark grey to dark red powder or crystals |
| general description | selenium is a reddish colored powder that may become black upon exposure to air. selenium is toxic by ingestion. selenium is used to manufacture electronic components and rubber. |