C2H2Cl4
167.8 g/mol
Industrial ChemicalDanger
1,1,2,2-TETRACHLOROETHANE
CAS79-34-5EC201-197-8
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
industrial solvent and degreasing agent
1,1,2,2-Tetrachloroethane (TeCA) is a dense, colorless, non-flammable organochloride liquid with a sweet odor. It is toxic to humans through inhalation, ingestion, and skin absorption, and is primarily used as an industrial solvent and degreasing agent.
industrial solventdegreasing agentseparation agent
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 79-34-5
Related Compounds
ReferenceSame Category
Dichloroacetyl chloride
CAS79-36-7
Chemical intermediate
ReferenceSame Category
Chlorotrifluoroethene
CAS79-38-9
Monomer for chlorotrifluoroethylene resins
ReferenceSame Category
Methacrylic acid
CAS79-41-4
Monomer for resins and polymers
ReferenceSame Category
2-nitropropane
CAS79-46-9
Solvent in paints, inks, and adhesives
Referencestereoisomer of
Sym-Tetrachlorodideuterioethane
CAS33685-54-0
research compound
Safety Reference
Danger
H310Fatal in contact with skin
H330Fatal if inhaled
H411Toxic to aquatic life with long lasting effects
H302Harmful if swallowed
H350May cause cancer
H315Causes skin irritation
H319Causes serious eye irritation
H331Toxic if inhaled
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H227
H301Toxic if swallowed
H401Toxic to aquatic life
Customs Tariff Classification
The international HS code for 1,1,2,2-TETRACHLOROETHANE (CAS 79-34-5) is 2903.19.
HS code (international, 6-digit)
2903.19
EU CN code (8-digit)
2903 19 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
1,1,2,2-tetrachloroethane
InChIKey
QPFMBZIOSGYJDE-UHFFFAOYSA-N
SMILES
C(C(Cl)Cl)(Cl)Cl
Synonyms (44)
- 1,1,2,2-Czterochloroetan
- 1,1,2,2-TCE
- 1,1,2,2-TETRACHLOROETHANE
- 1,1,2,2-Tetrachloorethaan
- 1,1,2,2-Tetrachloraethan
- 1,1,2,2-Tetrachlorethane
- 1,1,2,2-Tetracloroetano
- 1,2,2-Czterochloroetan
- 1,2,2-Tetrachloorethaan
- 1,2,2-Tetrachloraethan
- 1,2,2-Tetrachlorethane
- 1,2,2-Tetrachloroethane
- 1,2,2-Tetracloroetano
- Acetosol
- Acetylene tetrachloride
- Bonoform
- Boroform
- Cellon
- Dichloro-2,2-dichloroethane
- Ethane, 1,1,2,2-tetrachloro-
- Ethane,1,2,2-tetrachloro-
- F 130 (halocarbon)
- R 130 (refrigerant)
- TCE (ambiguous)
- Tetrachlorethane
- Tetrachloroethane
- Tetrachloroethane (VAN)
- Tetrachloroethane, 1,1,2,2-
- Tetrachlorure d'acetylene
- Westron
- s-Tetrachloroethane
- sym-Tetrachloroethane
- sym-tetrachlorethane
- symmetrical tetrachloroethane