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.

Corrosive

Harmful

Environmental Hazard

Danger

H302Harmful if swallowed

H312Harmful in contact with skin

H332Harmful if inhaled

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

H400Very toxic to aquatic life

H410Very toxic to aquatic life with long lasting effects

Customs Tariff Classification

The international HS code for 3,4,5-TRICHLOROPHENOL (CAS 609-19-8) is 2908.19.

HS code (international, 6-digit)

2908.19

EU CN code (8-digit)

2908 19 00

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

3,4,5-trichlorophenol

InChIKey

GBNHEBQXJVDXSW-UHFFFAOYSA-N

SMILES

C1=C(C=C(C(=C1Cl)Cl)Cl)O

Synonyms (12)

3,4,5-TCP
3,4,5-TRICHLOROPHENOL
3,4,5-trichlorphenol
3,4,5-tris(chloranyl)phenol
3,5-Trichlorophenol
Phenol, 3,4,5-trichloro-
TRICHLOROPHENOL, 3,4,5-
phenol, 1,4,5-trichloro-

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3,4,5-TRICHLOROPHENOL

Related Compounds

Related Reading

Safety Reference

Customs Tariff Classification