AsH3
77.946 g/mol
Electronic ChemicalDanger
ARSINE
CAS7784-42-1EC232-066-3
Category
Electronic Chemical
Compound Class
Other
Primary Use
semiconductor manufacturing dopant
Arsine is a colorless, flammable, and highly toxic gas with a garlic-like or fishy odor. It is a key compound used in the electronics industry, particularly for manufacturing semiconductors as a dopant to increase electrical conductivity.
semiconductor manufacturing as a dopantorganic synthesismetal extraction and refining
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Restriction List
CAS 7784-42-1
Related Compounds
ReferenceSame Category
Cesium iodide
CAS7789-17-5
X-ray image intensifier phosphor
ReferenceSame Category
Lithium fluoride
CAS7789-24-4
Optical systems and X-ray spectroscopy
ReferenceSame Category
Silane
CAS7803-62-5
Silicon source for semiconductor deposition
ReferenceSame Category
Trichloro((perfluorohexyl)ethyl)silane
CAS78560-45-9
Coating for wafer bonding
Related Reading
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Read moreSafety Reference
Danger
H220Extremely flammable gas
H330Fatal if inhaled
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H280Contains gas under pressure; may explode if heated
H370Causes damage to organs
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for ARSINE (CAS 7784-42-1) is 2850.00.
HS code (international, 6-digit)
2850.00
EU CN code (8-digit)
2850 00 20
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
arsane
InChIKey
RBFQJDQYXXHULB-UHFFFAOYSA-N
SMILES
[AsH3]
Synonyms (13)
- ARSINE
- Agent SA
- Arsenic hydrid
- Arsenic hydride
- Arsenic hydride (AsH3)
- Arsenic trihydride
- Arseniuretted hydrogen
- Arsenous hydride
- Arsenowodor
- Arsenwasserstoff
- Hydrogen arsenide
- arsane
- trihydridoarsenic