C2Cl4
165.8 g/mol
Industrial ChemicalWarning
Tetrachloroethene
CAS127-18-4EC204-825-9
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
dry cleaning solvent and metal degreaser
Tetrachloroethene, also known as perchloroethylene, is a volatile, non-flammable, colorless liquid with a mild sweet odor. It is primarily used as a solvent for dry cleaning fabrics and for degreasing metals.
dry cleaning solvent for fabricsmetal degreasing solvent
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:California Proposition 65
CAS 127-18-4
Related Compounds
ReferenceSame Category
N,N-dimethylacetamide
CAS127-19-5
Polar solvent in organic synthesis
ReferenceSame Category
Chloramine B
CAS127-52-6
antibacterial agent and disinfectant
ReferenceSame Category
Sodium m-nitrobenzenesulfonate
CAS127-68-4
antireduction agent in industrial processing
ReferenceSame Category
Titanocene dichloride
CAS1271-19-8
Ziegler-Natta polymerization catalyst
Safety Reference
Warning
H351Suspected of causing cancer
H411Toxic to aquatic life with long lasting effects
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H336May cause drowsiness or dizziness
H320Causes eye irritation
H332Harmful if inhaled
H350May cause cancer
H361Suspected of damaging fertility or the unborn child
H362May cause harm to breast-fed children
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H305May be harmful if swallowed and enters airways
H313May be harmful in contact with skin
H314Causes severe skin burns and eye damage
H401Toxic to aquatic life
Customs Tariff Classification
The international HS code for Tetrachloroethene (CAS 127-18-4) is 2903.23.
HS code (international, 6-digit)
2903.23
EU CN code (8-digit)
2903 23 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-tetrachloroethene
InChIKey
CYTYCFOTNPOANT-UHFFFAOYSA-N
SMILES
C(=C(Cl)Cl)(Cl)Cl
Synonyms (88)
- PCE
- PERK
- 1,1,2,2-Tetrachloroethene
- 1,1,2,2-Tetrachloroethylene
- 1,2,2-Tetrachloroethylene
- Ankilostin
- Antisal 1
- Antisol 1
- Carbon bichloride
- Carbon dichloride
- Caswell No. 827
- Czterochloroetylen
- Czterochloroetylen [Polish]
- Didakene
- Dilatin PT
- Dow-per
- ENT 1,860
- Ethene, 1,1,2,2-tetrachloro-
- Ethene, tetrachloro-
- Ethylene tetrachloride
- Ethylene, tetrachloro-
- F 1110
- Fedal-UN
- Freon 1110
- Nema
- Nema (VAN)
- Nema, veterinary
- PCE; Perchloroethylene
- PerSec
- Perawin
- Perc
- Perchloorethyleen, per
- Perchlor
- Perchloraethylen, per
- Perchlorethylene
- Perchlorethylene, per
- Perchloroethene
- Perchloroethylene
- Perchloroethylene (PCE)
- Perclene
- Perclene D
- Perclene TG
- Percloroetilene
- Percloroetilene [Italian]
- Percosolv
- Percosolve
- Perklone
- RCRA waste no. U210
- Rcra waste number U210
- TETRACHLOROETHYLENE [MART.]
- TETRACHLOROETHYLENE-1-13C
- Tetlen
- Tetracap
- Tetrachlooretheen
- Tetrachlooretheen [Dutch]
- Tetrachloraethen
- Tetrachloraethen [German]
- Tetrachlorathen
- Tetrachlorethylene
- Tetrachloroethene
- Tetrachloroethylene
- Tetrachloroethylene (IUPAC)
- Tetracloroetene
- Tetracloroetene [Italian]
- Tetraguer
- Tetraleno
- Tetralex
- Tetravec
- Tetroguer
- Tetropil