C2H6S
62.14 g/mol
Industrial ChemicalDanger
Ethanethiol
CAS75-08-1EC200-837-3
Category
Industrial Chemical
Compound Class
Other
Primary Use
Odorant for natural gas
Ethanethiol is a colorless, low-boiling liquid with a strong garlic-like or skunk-like odor. It is primarily added to natural gas as an odorant to enable leak detection by smell.
Odorant for natural gasIntermediate in the manufacture of plastics, pesticides, and other organic chemicals
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
ApplicationSame Use
1-butanethiol
CAS109-79-5
Odorant for natural gas
ApplicationSame Use
2-butanethiol
CAS513-53-1
Odorant for natural gas
ReferenceSame Category
Dichloromethane
CAS75-09-2
Industrial solvent and paint stripper
ReferenceSame Category
Difluoromethane
CAS75-10-5
Refrigerant
ReferenceSame Category
Formamide
CAS75-12-7
chemical intermediate and ionizing solvent
ReferenceSame Category
Carbon disulfide
CAS75-15-0
Manufacture of rayon and cellophane
Safety Reference
Danger
H224Extremely flammable liquid and vapour
H302Harmful if swallowed
H331Toxic if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H225Highly flammable liquid and vapour
H332Harmful if inhaled
H320Causes eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H370Causes damage to organs
H316Causes mild skin irritation
H319Causes serious eye irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Ethanethiol (CAS 75-08-1) is 2930.90.
HS code (international, 6-digit)
2930.90
EU CN code (8-digit)
2930 90 95
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
ethanethiol
InChIKey
DNJIEGIFACGWOD-UHFFFAOYSA-N
SMILES
CCS
Synonyms (39)
- EUF
- 1-Ethylthiol
- 1-Mercaptoethane
- 1-ethanethiol
- Aethanethiol
- Aethanethiol [German]
- Aethylmercaptan
- Aethylmercaptan [German]
- Bacitracin Impurity F
- ETHANETHIOL [MART.]
- ETHYL MERCAPTAN
- Etantiolo
- Etantiolo [Italian]
- Ethaanthiol
- Ethaanthiol [Dutch]
- Ethanethiol
- Ethanethiol (ethyl mercaptan)
- Ethyl hydrosulfide
- Ethyl sulfhydrate
- Ethyl thioalcohol
- Ethylmercaptaan
- Ethylmercaptaan [Dutch]
- Ethylmerkaptan
- Ethylmerkaptan [Czech]
- Etilmercaptano
- Etilmercaptano [Italian]
- HSEt
- LPG ethyl mercaptan 1010
- Mercaptan C2
- Mercaptoethane
- Thioethanol
- Thioethyl alcohol
- ethanethioi
- ethanothiol
- ethanthiol
- stench
- stench gas
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