C25H22ClNO3
419.9 g/mol
AgrochemicalDanger
ESFENVALERATE
CAS66230-04-4
Category
Agrochemical
Compound Class
Ester
Primary Use
pyrethroid ester insecticide
Esfenvalerate is a pyrethroid ester insecticide used as an agrochemical. It is a broad-spectrum insecticide that controls a variety of insects in agricultural, commercial, residential, and industrial settings.
control of insects in food and feed cropscontrol of insects in cotton productscontrol of flies and ticks in barns and stables
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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ReferenceSame Category
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ReferenceSame Category
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ReferenceSame Category
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Related Reading
Safety Reference
Danger
H301Toxic if swallowed
H317May cause an allergic skin reaction
H331Toxic if inhaled
H370Causes damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H330Fatal if inhaled
H313May be harmful in contact with skin
H316Causes mild skin irritation
H320Causes eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for ESFENVALERATE (CAS 66230-04-4) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
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
[(S)-cyano-(3-phenoxyphenyl)methyl] (2S)-2-(4-chlorophenyl)-3-methylbutanoate
InChIKey
NYPJDWWKZLNGGM-RPWUZVMVSA-N
SMILES
CC(C)[C@@H](C1=CC=C(C=C1)Cl)C(=O)O[C@H](C#N)C2=CC(=CC=C2)OC3=CC=CC=C3
Synonyms (38)
- (S,S)-Fenvalerate
- 1S,1'S-FENVALERATE
- A alpha
- Asana
- Asana XL
- ESFENVALERATE
- Esfenvalerate (Standard)
- Esfenvalerate, PESTANAL(R)
- Fenvalerate (S,S)-
- Fenvalerate (S,S)-isomer
- Fenvalerate A alpha
- Fenvalerate alpha
- Halmark
- NIOSH/CY1576370
- OMS 3023
- S 1844
- S 5602 A alpha
- S-5602ALPHA
- S-5620A alpha
- SS/RR-Fenvalerate
- Sumi-alfa
- Sumi-alpha
- Sumiciclin Aalpha
- Sumicidin A alpha
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