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Home/Compounds/Agrochemical/Phenoxyacetic acid
C8H8O3
152.15 g/mol
AgrochemicalWarning

PHENOXYACETIC ACID

CAS122-59-8EC204-556-7
Category
Agrochemical
Compound Class
Organic Acid
Primary Use
Building block for phenoxy herbicides

Phenoxyacetic acid is a white solid that serves as the core structural building block for several commercially important phenoxy herbicides, including MCPA and 2,4-D. While it does not possess herbicidal activity on its own, its chemical structure is essential for the synthesis of these derivatives.

Building block for phenoxy herbicidesPrecursor in the synthesis of MCPA and 2,4-D

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 Compounds

ReferenceSame Category

4-chlorophenoxyacetic acid

CAS122-88-3

plant growth regulator

ReferenceSame Category

Cyhalofop-butyl

CAS122008-85-9

Herbicide for post-emergence grass control in rice

ReferenceSame Category

(1S,3S)-3-[(Z)-2-chloro-3,3,3-trifluoroprop-1-enyl]-2,2-dimethylcyclopropane-1-carboxylic acid

CAS122406-91-1

Cyhalothrin metabolite or intermediate

ReferenceSame Category

Beta-Cypermethrin

CAS1224510-29-5

synthetic pyrethroid insecticide

Referencestereoisomer of

Sodium phenoxyacetate

CAS3598-16-1

chemical intermediate

Related Reading

Why Does One Chemical Intermediate End Up in Dozens of Pesticides? Inside the Reaction Interface Economy

A single pyridine intermediate feeds four different neonicotinoid insecticides. A single pyrazole acid feeds a whole family of SDHI fungicides. This isn't coincidence — it's the Reaction Interface Economy, the organizing logic behind modern agrochemical R&D and its supply chain.

Read more

Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for PHENOXYACETIC ACID (CAS 122-59-8) 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-phenoxyacetic acid

InChIKey

LCPDWSOZIOUXRV-UHFFFAOYSA-N

SMILES

C1=CC=C(C=C1)OCC(=O)O

Synonyms (30)
  • POA
  • Phenoxymethylpenicillin EP Impurity B
  • Phenoxymethylpenicillin Potassium Imp. B (EP); Phenoxymethylpenicillin Imp. B (EP); Phenoxyacetic Acid; Phenoxymethylpenicillin Potassium Impurity B; Phenoxymethylpenicillin Impurity B
  • 2-phenoxyacetic acid
  • 2-phenoxyethanoic acid
  • Acetic acid, 2-phenoxy-
  • Acetic acid, phenoxy-
  • Acide phenoxyacetique
  • FEMA 2872
  • Glycol acid phenyl ether
  • Glycolic acid phenyl ether
  • Glycollic acid phenyl ether
  • PHENOXYACETIC ACID
  • POA cpd
  • Phenoxyacetate
  • Phenoxyacetic acid (Standard)
  • Phenoxyessigsaeure
  • Phenoxyethanoic acid
  • Phenxoyacetic acid
  • Phenyl ether glycolic acid
  • Phenylglycolic acid, O-
  • o-Phenylglycolic acid
  • phenoxacetic acid

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