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Home/Compounds/Industrial Chemical/Methyl mercaptan
CH4S
48.11 g/mol
Industrial ChemicalDanger

Methanethiol

CAS74-93-1EC200-822-1
Category
Industrial Chemical
Compound Class
Other
Primary Use
odorant for natural gas

Methanethiol is a colorless gas with a strong odor reminiscent of rotten cabbage. It occurs naturally in living tissues, certain foods, and decaying organic matter, and is used as an odorant added to natural gas and other hazardous gases to aid in leak detection.

odorant for natural gasadditive for odorless hazardous gasesindustrial chemical for plastics, pesticides, and jet fuel

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

Dibromomethane

CAS74-95-3

solvent for fats, waxes, and resins

ReferenceSame Category

Bromoethane

CAS74-96-4

Organic synthesis and solvent

ReferenceSame Category

Bromochloromethane

CAS74-97-5

Fire extinguishing agent

ReferenceSame Category

Propane

CAS74-98-6

Fuel, solvent, refrigerant, and propellant

Referencestereoisomer of

Sodium methanethiolate

CAS5188-07-8

pharmaceutical intermediate

Safety Reference

Flammable
Flammable
Compressed Gas
Compressed Gas
Toxic
Toxic
Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Danger
H220Extremely flammable gas
H331Toxic if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H280Contains gas under pressure; may explode if heated
H315Causes skin irritation
H319Causes serious eye irritation
H336May cause drowsiness or dizziness
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Identifiers
IUPAC Name

methanethiol

InChIKey

LSDPWZHWYPCBBB-UHFFFAOYSA-N

SMILES

CS

Synonyms (32)
  • Z22
  • (methyl)sulfane
  • METHYL MERCAPTAN
  • Mercaptan methylique
  • Mercaptan methylique [French]
  • Mercaptomethane
  • Methaanthiol
  • Methaanthiol [Dutch]
  • Methanethiol, purum
  • Methanethiole
  • Methanthiol
  • Methanthiol [German]
  • Methvtiolo
  • Methvtiolo [Italian]
  • Methyl mercaptan (natural)
  • Methyl sulfhydrate
  • Methyl thioalcohol
  • Methylmercaptaan
  • Methylmercaptaan [Dutch]
  • Metilmercaptano
  • Metilmercaptano [Italian]
  • Metilmercaptano [Spanish]
  • Thiomethane
  • Thiomethanol
  • Thiomethyl alcohol
  • a methyl thioether
  • methanethiol
  • methanethiolate
  • methyl sulfides
  • methyl thiol
  • sulfonium methylide