C2H3Cl3
133.4 g/mol
Industrial ChemicalWarning
1,1,1-TRICHLOROETHANE
CAS71-55-6EC200-756-3
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
solvent for metal degreasing
1,1,1-Trichloroethane, also known as methyl chloroform, is a colorless, sweet-smelling chloroalkane liquid that was once produced industrially in large quantities as a solvent for metal degreasing.
solvent for metal degreasing
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
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CAS 71-55-6
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Catalyst for organic synthesis
Referencestereoisomer of
1,1,1-Trichloroethane-2,2,2-d3
CAS2747-58-2
research compound
Safety Reference
Warning
H332Harmful if inhaled
H420Harms public health and the environment by destroying ozone in the upper atmosphere
H225Highly flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H290May be corrosive to metals
H320Causes eye irritation
H336May cause drowsiness or dizziness
H350May cause cancer
H360May damage fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H335May cause respiratory irritation
H351Suspected of causing cancer
H361Suspected of damaging fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 1,1,1-TRICHLOROETHANE (CAS 71-55-6) is 2903.19, 3808.91, 3827.14.
HS code (international, 6-digit)
2903.19, 3808.91, 3827.14
EU CN code (8-digit)
2903 19 00, 3808 91 20, 3827 14 00
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
1,1,1-trichloroethane
InChIKey
UOCLXMDMGBRAIB-UHFFFAOYSA-N
SMILES
CC(Cl)(Cl)Cl
Synonyms (73)
- TCEA
- 07B - Chlorinated Solvents
- 1,1,1-TCE
- 1,1,1-TRICHLOROETHANE
- 1,1,1-TRICHLOROETHANE-2-D1
- 1,1,1-Trichloorethaan
- 1,1,1-Trichloorethaan (DUTCH)
- 1,1,1-Trichloraethan
- 1,1,1-Trichloraethan [German]
- 1,1,1-Trichlorathan
- 1,1,1-Trichlorethane
- 1,1,1-Tricloroetano
- 1,1,1-Tricloroetano [Italian]
- 1,1,1-trichloroethan
- 1,1-Trichloorethaan
- 1,1-Trichloraethan
- 1,1-Trichloroethane
- 1,1-Tricloroetano
- 19B - Chlorinated Solvents
- 2E - Residual Solvents
- 6 - VOCs
- Aerothene
- Aerothene TT
- Baltana
- CF 2
- Chloroetene
- Chloroethene NU
- Chloroform, methyl-
- Chlorotene
- Chlorothane NU
- Chlorothene
- Chlorothene NU
- Chlorothene SM
- Chlorothene VG
- Chlorothene, inhibited
- Chlorten
- Cleanite
- Distillex DS1
- Dowclene LS
- Ethana
- Ethana NU
- Ethane, 1,1,1-trichloro-
- F 140a
- Genklene LB
- HCC 140a
- ICI-CF 2
- Inhibisol
- Methylchloroform
- Methyltrichloromethane
- Solvent 111
- Solvethane
- TRICHLOROETHANE [MART.]
- Tafclean
- Three One A
- Three One S
- Tri-ethane
- Trichloro-1,1,1-ethane
- Trichloro-1,1-ethane
- Trichloroethane (VAN)
- Trichloroethane, 1,1,1-
- Trichloromethylmethane
- alpha-T
- alpha-Trichloroethane