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Ethyl 2,4-dichlorophenoxyacetate (CAS 533-23-3) | ChemAbout

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Related Compounds

SimilarStructure SimilarSimilarity 0.74

2,4-D-butyl

Herbicide for weed control

SimilarStructure SimilarSimilarity 0.72

2,4-D-methyl

CAS1928-38-7

analytical reference standard

ApplicationSame Use

2,4-D-isobutyl

Herbicide active ingredient

ApplicationSame Use

Triclopyr-ethyl

Herbicide active ingredient

ApplicationSame Use

2,4-D Sodium monohydrate

Herbicide active ingredient

ApplicationSame Use

2,4-db-isoctyl

Herbicide active ingredient

ReferenceSame Category

1-Methyl-4-cyano-5-amino-1,2-pyrazole

intermediate for fipronil synthesis

ReferenceSame Category

Dinitro-ortho-cresol

contact herbicide and insecticide

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.

Sourcing Ethyl 2,4-dichlorophenoxyacetate?

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C₁₀H₁₀Cl₂O₃

249.09 g/mol

AgrochemicalDanger

Ethyl 2,4-dichlorophenoxyacetate

CAS533-23-3EC208-558-9

Category

Agrochemical

Compound Class

Ester

Primary Use

Herbicide active ingredient

Ethyl 2,4-dichlorophenoxyacetate is an ester derivative of 2,4-dichlorophenoxyacetic acid, used as a herbicide active ingredient to control broadleaf weeds.

Herbicide active ingredient for weed control

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.

Safety Reference

Corrosive

Harmful

Environmental Hazard

Danger

H302Harmful if swallowed

H317May cause an allergic skin reaction

H318

Customs Tariff Classification

The international HS code for Ethyl 2,4-dichlorophenoxyacetate (CAS 533-23-3) 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

ethyl 2-(2,4-dichlorophenoxy)acetate

InChIKey

JSLBZIVMVVHMDJ-UHFFFAOYSA-N

SMILES

CCOC(=O)COC1=C(C=C(C=C1)Cl)Cl

Synonyms (18)

2,4-D ethyl ester
2,4-D-ethyl
2,4-DEE
BLADEX C
Caswell No. 315AP
Estone 80
KNOCK WEED
KNOCK WEED 4G
Weedone 40

Causes serious eye damage

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects