C8H4Cl2O2
203.02 g/mol
Industrial ChemicalDanger
Isophthaloyl chloride
CAS99-63-8EC202-774-7
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
intermediate for dyes and synthetic fibers
Isophthaloyl chloride is a chemical compound primarily used as an intermediate in the production of dyes and synthetic fibers. It features a benzene ring with two acid chloride functional groups, making it reactive in polymer and dye synthesis.
intermediate for dyesintermediate for synthetic fibers
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.
Sourcing Isophthaloyl chloride?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
SimilarStructure SimilarSimilarity 0.73
3-chlorobenzoyl chloride
CAS618-46-2
pharmaceutical intermediate
ReferenceSame Category
P-dichloro benzene
CAS99-65-0
intermediate for dyes and explosives
ReferenceSame Category
4-((4,6-bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-bis(1,1-dimethylethyl)-phenol
CAS991-84-4
Antioxidant stabilizing agent
ReferenceSame Category
(2H-Perfluoropropyl)(1H,1H-perfluoroethyl)ether
CAS993-95-3
Fluorinated solvent or intermediate
ReferenceSame Category
(3-methyloxetan-3-yl)methyl 4-methylbenzenesulfonate
CAS99314-44-0
Benzenesulfonate ester intermediate
Safety Reference
Danger
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H331Toxic if inhaled
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Isophthaloyl chloride (CAS 99-63-8) is 2917.39.
HS code (international, 6-digit)
2917.39
EU CN code (8-digit)
2917 39 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-dicarbonyl chloride
InChIKey
FDQSRULYDNDXQB-UHFFFAOYSA-N
SMILES
C1=CC(=CC(=C1)C(=O)Cl)C(=O)Cl
Synonyms (28)
- 1,3-DI(CHLOROCARBONYL)BENZENE
- 1,3-phthaloyl dichloride
- Dichlorid kyseliny isoftalove
- Isophthalic acid chloride
- Isophthalic acid dichloride
- Isophthalic chloride
- Isophthaloyl chloride
- Isophthaloyl dichloride
- Isophthalyl chloride
- Isophthalyl dichloride
- Isothaloyl chloride
- M-BENZENEDICARBONYL CHLORID
- isophthalic dichloride
- m-Benzenedicarbonyl chloride
- m-Phthalic dichloride
- m-Phthaloyl chloride
- m-Phthaloyl dichloride
- m-Phthalyl chloride
- m-Phthalyl dichloride
- meta-Phthalyl dichloride
Sourcing Isophthaloyl chloride?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.