C8H4N2
128.13 g/mol
Industrial ChemicalWarning
Isophthalonitrile
CAS626-17-5EC210-933-7
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Fine chemical intermediate
Isophthalonitrile is a fine chemical intermediate featuring an aromatic ring with two nitrile groups. It is primarily used in the production of polyurethane coatings and as a precursor for tetrachloroisophthalonitrile and m-xylylenediamine.
Production of polyurethane coatingsManufacture of tetrachloroisophthalonitrileSynthesis of m-xylylenediamine
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
ApplicationSame Use
2,2-Difluoro-1,3-benzodioxole-5-acetonitrile
CAS68119-31-3
Fine chemical intermediate
ApplicationSame Use
4-chlorobenzoyl chloride
CAS122-01-0
Fine chemical intermediate
ReferenceSame Category
1,3-Benzenedimethanol
CAS626-18-6
Chemical intermediate for polymer production
ReferenceSame Category
Isophthalaldehyde
CAS626-19-7
synthesis of binuclear ruthenium complex
ReferenceSame Category
Heptanoic anhydride
CAS626-27-7
Chemical intermediate for synthesis
ReferenceSame Category
1,3,5-tribromobenzene
CAS626-39-1
Chemical intermediate for synthesis
Safety Reference
Warning
H302Harmful if swallowed
H332Harmful if inhaled
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Isophthalonitrile (CAS 626-17-5) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 20
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
benzene-1,3-dicarbonitrile
InChIKey
LAQPNDIUHRHNCV-UHFFFAOYSA-N
SMILES
C1=CC(=CC(=C1)C#N)C#N
Synonyms (25)
- 1,3-BIS(CYANO)BENZENE
- 1,3-Benzendikarbonitril
- 1,3-Benzenedicarbonitrile
- 1,3-Benzodinitrile
- 1,3-DICYANOBENZENE
- 3-Cyanobenzonitrile
- Dinitrile of isophthalic acid
- Isoftalodinitril
- Isoftalodinitril [Czech]
- Isoftalonitril
- Isoftalonitril [Czech]
- Isophtalonitrile
- Isophthalodinitrile
- Isophthalonitrile
- META-DICYANOBENZENE
- Nitril kyseliny isoftalove
- benzene-1,3-dicarbonitrile
- isopthalonitrile
- m-Benzenedinitrile
- m-Cyanobenzonitrile
- m-Dicyanobenzene
- m-PDN
- m-Phthalodinitrile
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