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Fipronil (CAS 120068-37-3) | ChemAbout

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Related Compounds

SimilarStructure SimilarSimilarity 0.75

Ethiprole

Agriculture Crop Protection

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Α-hexachlorcyclohexane

CAS319-84-6

Insecticide for agricultural and veterinary use

ReferenceSame Category

Disodium octaborate

wood preservative fungicide

ReferenceSame Category

Cyazofamid

Agricultural fungicide

ReferenceSame Category

4-chloro-5-(4-methylphenyl)-1H-imidazole-2-carbonitrile

Agrochemical intermediate

ReferenceSame Category

Propineb

agricultural fungicide

Referencesame scaffold

5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole

fipronil intermediate

Referencesame scaffold

3-(5-Amino-3-methyl-1H-pyrazol-1-yl)benzenesulfonic acid

dye and pigment 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.

Sourcing Fipronil?

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C₁₂H₄Cl₂F₆N₄OS

437.1 g/mol

AgrochemicalDanger

Fipronil

CAS120068-37-3EC424-610-5

Category

Agrochemical

Compound Class

Heterocycle

Primary Use

Insecticide for agricultural and veterinary use

Fipronil is a broad-spectrum insecticide used in agriculture and veterinary medicine. It is a phenylpyrazole compound that acts by disrupting the insect central nervous system.

Control of mole crickets, fire ants, fleas, ticks, termites, and roachesUse in turf granules, flea and tick sprays, and roach and ant baitsSeed treatment and protectant

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

Toxic

Harmful

Health Hazard

Environmental Hazard

Danger

H301Toxic if swallowed

H311

Customs Tariff Classification

The international HS code for Fipronil (CAS 120068-37-3) is 2933.19, 3808.91.

HS code (international, 6-digit)

2933.19, 3808.91

EU CN code (8-digit)

2933 19 90, 3808 91 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

5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-(trifluoromethylsulfinyl)pyrazole-3-carbonitrile

InChIKey

ZOCSXAVNDGMNBV-UHFFFAOYSA-N

SMILES

C1=C(C=C(C(=C1Cl)N2C(=C(C(=N2)C#N)S(=O)C(F)(F)F)N)Cl)C(F)(F)F

Synonyms (35)

Fipronil for veterinary use [EP monograph]
BROADLINE COMPONENT FIPRONIL
FIPRONIL [MART.]
Fipronil (JAN)
Fipronil (Standard)
Fipronil CRS
Fipronil, PESTANAL(R)
Fluocyanobenpyrazole;Termidor
M & B 46030
Termidor
fipronil

Toxic in contact with skin

H331Toxic if inhaled

H372Causes 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

H351Suspected of causing cancer

H361Suspected of damaging fertility or the unborn child

H370Causes damage to organs

H373May cause damage to organs through prolonged or repeated exposure

H319Causes serious eye irritation