C2HCl3O2
163.38 g/mol
Industrial ChemicalDanger
TRICHLOROACETIC ACID
CAS76-03-9EC200-927-2
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Herbicide and organic synthesis reagent
Trichloroacetic acid is a chlorinated organic acid commonly used as a herbicide and as a reagent in organic synthesis. It is also applied in medicine as a caustic peeling agent, and its sodium salt serves as a pre- and post-emergent herbicide.
herbicide (as sodium salt)organic synthesis reagentmedication (peeling 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
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 76-03-9
Related Compounds
ReferenceSame Category
Trifluoroacetic acid
CAS76-05-1
laboratory reagent and solvent
ReferenceSame Category
Pinacol
CAS76-09-5
industrial intermediate reagent
ReferenceSame Category
1,1,2-trichlorotrifluoroethane
CAS76-13-1
Solvent, refrigerant, and chemical intermediate
ReferenceSame Category
Hexafluoroethane
CAS76-16-4
Refrigerant and dielectric gas
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H351Suspected of causing cancer
H318Causes serious eye damage
H336May cause drowsiness or dizziness
H341Suspected of causing genetic defects
H361Suspected of damaging fertility or the unborn child
H303May be harmful if swallowed
H371May cause damage to organs
Customs Tariff Classification
The international HS code for TRICHLOROACETIC ACID (CAS 76-03-9) is 2915.40.
HS code (international, 6-digit)
2915.40
EU CN code (8-digit)
2915 40 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
2,2,2-trichloroacetic acid
InChIKey
YNJBWRMUSHSURL-UHFFFAOYSA-N
SMILES
C(=O)(C(Cl)(Cl)Cl)O
Synonyms (67)
- TCA
- TCAA
- 2,2,2-trichloroacetic acid
- Acetic acid, 2,2,2-trichloro-
- Acetic acid, trichloro-
- Aceto-caustin
- Acid, Trichloroacetic
- Acide trichloracetique
- Acido tricloroacetico
- Amchem grass killer
- Caswell No. 870
- Deblk
- Konesta
- Kyselina trichloroctova
- NA TA
- NA TA (Salt/Mix)
- Sodium TCA solution
- TRICHLOROACETIC ACID
- TRICHLOROACETIC ACID [MART.]
- Tecane
- Trichloorazijnzuur
- Trichloorazijnzuur [Dutch]
- Trichloracetic acid
- Trichloressigsaeure
- Trichloressigsaeure [German]
- Trichloressigsaure
- Trichloroacetate
- Trichloroacetate(1-)
- Trichloroacetate, Rubidium
- Trichloroacetate, Sodium
- Trichloroacetic acid (IUPAC)
- Trichloroacetic acid solid
- Trichloroacetic acid, BioXtra
- Trichloroaectic Acid
- Trichloroethanoic acid
- Tricloroacetic acid
- Varitox (Salt/Mix)
- hydron;2,2,2-trichloroacetate
- perchloroacetic acid
- trichloracetique, Acide