C8Cl4O3
285.9 g/mol
Industrial ChemicalDanger
TETRACHLOROPHTHALIC ANHYDRIDE
CAS117-08-8EC204-171-4
Category
Industrial Chemical
Compound Class
Halocarbon
Primary Use
Flame retardant and chemical intermediate
Tetrachlorophthalic anhydride is an odorless crystalline solid or white powder primarily used as a flame retardant in polymers such as unsaturated polyester resins and polyurethane foams, and as a chemical intermediate for dyes, pigments, and plasticizers.
Flame retardant in unsaturated polyester resinsFlame retardant in polyurethane foamsChemical intermediate for pigments, drugs, and plasticizers
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 TETRACHLOROPHTHALIC ANHYDRIDE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
Diethylhexyl phthalate
CAS117-81-7
plasticizer for polymer materials
ReferenceSame Category
Dibutoxyethylphthalate
CAS117-83-9
Plasticizer for PVC and other resins
ReferenceSame Category
3,5-Difluorotoluene
CAS117358-51-7
Industrial chemical intermediate
ReferenceSame Category
2,3-Dichloropyridin-4(1H)-one
CAS1174047-06-3
chemical intermediate for synthesis
Referencesame scaffold
3-chlorophthalic anhydride
CAS117-21-5
pharmaceutical intermediate
Referencesame scaffold
4-chlorophthalic anhydride
CAS118-45-6
Chemical intermediate for dyes and pigments
Referencesame scaffold
Trimellitic anhydride chloride
CAS1204-28-0
pharmaceutical intermediate
Referencesame scaffold
3-Iodophthalic anhydride
CAS28418-88-4
research compound
Safety Reference
Danger
H317May cause an allergic skin reaction
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H320Causes eye irritation
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for TETRACHLOROPHTHALIC ANHYDRIDE (CAS 117-08-8) 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
4,5,6,7-tetrachloro-2-benzofuran-1,3-dione
InChIKey
AUHHYELHRWCWEZ-UHFFFAOYSA-N
SMILES
C12=C(C(=C(C(=C1Cl)Cl)Cl)Cl)C(=O)OC2=O
Synonyms (17)
- 1, 4,5,6,7-tetrachloro-
- Niagathal
- TETRACHLOROPHTHALIC ANHYDRIDE
- Tetrathal
Sourcing TETRACHLOROPHTHALIC ANHYDRIDE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.