C8H7ClO3
186.59 g/mol
AgrochemicalWarning
4-CHLOROPHENOXYACETIC ACID
CAS122-88-3EC204-581-3
Category
Agrochemical
Compound Class
Organic Acid
Primary Use
plant growth regulator
4-Chlorophenoxyacetic acid is a chlorophenoxyacetic acid derivative with a chloro substituent at the 4-position. It is primarily used as a plant growth regulator to improve fruit set in crops such as tomatoes and berries.
Plant growth regulator to improve fruit set in tomatoesPlant growth regulator for berries and other fruitMay be used to replace pollination
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 Reading
Safety Reference
Warning
H302Harmful if swallowed
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 4-CHLOROPHENOXYACETIC ACID (CAS 122-88-3) is 2918.99.
HS code (international, 6-digit)
2918.99
EU CN code (8-digit)
2918 99 90
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-(4-chlorophenoxy)acetic acid
InChIKey
SODPIMGUZLOIPE-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1OCC(=O)O)Cl
Synonyms (30)
- 4-CP
- 4CPA
- A1IHP
- PCPA
- 4-CHLOROPHENOXYACETIC ACID
- 4-Chlorophenoxyacetate
- 4-Chlorphenoxyessigsaeure
- 4-chlorophenoxyactic acid
- BI 12
- CH-100 FREE ACID
- Kyselina 4-chlorfenoxyoctova
- Marks 4-cpa
- Parachlorophenoxyacetic acid
- Sure-Set
- Tomato Fix
- Tomato hold
- Tomatotone
- metformin chlorphenoxyacetate
- p-Chlorophenoxyacetic acid
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