C8Cl4N2
265.9 g/mol
AgrochemicalWarning
Tetrachloroterephthalonitrile
CAS1897-41-2EC629-242-0
Category
Agrochemical
Compound Class
Halocarbon
Primary Use
organic intermediate for pesticides
Tetrachloroterephthalonitrile is a chlorinated aromatic dinitrile compound. It serves primarily as an organic intermediate in the production of certain pesticides.
organic intermediate for pesticide synthesis
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
StrongStructure SimilarSimilarity 0.92
Pentachlorobenzonitrile
CAS20925-85-3
agrochemical intermediate
StrongStructure SimilarSimilarity 0.86
Chlorothalonil
CAS1897-45-6
Broad-spectrum fungicide and pesticide
SimilarStructure SimilarSimilarity 0.79
3,4,5,6-Tetrachlorophthalonitrile
CAS1953-99-7
pharmaceutical intermediate
ReferenceSame Category
2,6-difluorobenzonitrile
CAS1897-52-5
intermediate for insecticide production
ReferenceSame Category
(1E)-N-[(6-Chloropyridin-3-yl)methyl]-N'-cyanoethanimidamide
CAS190604-92-3
neonicotinoid pesticide metabolite
ReferenceSame Category
Paraquat dichloride
CAS1910-42-5
contact herbicide and desiccant
ReferenceSame Category
Atrazine
CAS1912-24-9
Selective herbicide for crop protection
Related Reading
Safety Reference
Warning
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Tetrachloroterephthalonitrile (CAS 1897-41-2) 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
2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile
InChIKey
TXRVDQMSXQKAPG-UHFFFAOYSA-N
SMILES
C(#N)C1=C(C(=C(C(=C1Cl)Cl)C#N)Cl)Cl
Synonyms (11)
- Perchloroterephthalonitrile
- Tetrachloro-p-dicyanobenzene
- Tetrachloroterephthalonitrile
- p-TCPN
- p-Tetrachlorophthalodinitrile
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