H2Se
80.99 g/mol
Electronic ChemicalDanger
Hydrogen selenide
CAS7783-07-5EC231-978-9
Category
Electronic Chemical
Compound Class
Other
Primary Use
semiconductor preparation and doping
Hydrogen selenide is an inorganic compound and the simplest hydride of selenium. It is a colorless, flammable gas under standard conditions.
semiconductor preparationdoping agent in electronics
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Nitrogen trifluoride
CAS7783-54-2
chamber-cleaning gas for electronics manufacturing
ReferenceSame Category
Germanium tetrafluoride
CAS7783-58-6
Semiconductor manufacturing
ReferenceSame Category
Titanium tetrafluoride
CAS7783-63-3
Electronic chemical precursor
ReferenceSame Category
Tungsten hexafluoride
CAS7783-82-6
Tungsten chemical vapor deposition source
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Read moreSafety Reference
Danger
H220Extremely flammable gas
H280Contains gas under pressure; may explode if heated
H330Fatal if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H319Causes serious eye irritation
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Hydrogen selenide (CAS 7783-07-5) is 2811.19.
HS code (international, 6-digit)
2811.19
EU CN code (8-digit)
2811 19 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
selane
InChIKey
SPVXKVOXSXTJOY-UHFFFAOYSA-N
SMILES
[SeH2]
Synonyms (11)
- Dihydrogen Selenide
- Dihydrogen monoselenide
- Electronic E-2
- HYDROGEN SELENIDE (H2Se)
- HYDROGEN SELENIDE, ANHYDROUS
- Hydrogen selenide
- Selane
- Selenium anhydride
- Selenium dihydride
- Selenium hydride
- dihydridoselenium
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