Hydrogen selenide (as Se) (anhydrous)H2Se
CAS-No.: | 7783-07-5 |
|---|---|
UN-No.: | 2202 |
EC-No.: | 231-978-9 |
Hazard identification number: | 263 |
Hazard signs
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Occupational exposure limit
TRGS 900 (DE/INT)
- AGW (ppm) 0,015
- AGW (mg/m3) 0,05
- H: 220
Extremely flammable gas.
- H: 280
Contains gas under pressure; may explode if heated
- H: 330
Fatal if inhaled
- H: 410
Very toxic to aquatic life with long lasting effects
- P: 210
Keep away from heat/
sparks/open flames/hot
surfaces. — No smoking.
- P: 260
Do not breathe dust/fume/gas/mist/vapours/spray
- P: 273
Avoid release to the environment.
- P: 304 + 340 + 315
- P: 377
Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
- P: 381
Eliminate all ignition sources if safe to do so.
- P: 403
Store in a well-ventilated place.
- P: 405
Store locked up.
No statement for this group.
No GHS Classification available at the moment.
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Melting point:
-66 °C Boiling Point:
-41.4 °C Density (at 20 °C, if not notified otherwise):
0,0036607 (0°C) g/cm3Ionization:
9.892 ± 0.005 eVVapour Pressure (at 20 °C, if not notified otherwise):
9120 hPaLower Explosive Limit:
4 Vol.-%Upper Explosive Limit:
99.9 Vol.-%
*Source: GESTIS Substance Database, https://gestis-database.dguv.de
Also known as:
- Hydrogen selenide
- Selenhydrid
- Selenium dihydride
- Selenium hydride
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