C10H6O8
254.15 g/mol
Industrial ChemicalWarning
PYROMELLITIC ACID
CAS89-05-4EC201-879-5
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Metal powder coating additive
Pyromellitic acid is a tetracarboxylic acid consisting of a benzene ring substituted with four carboxy groups at positions 1, 2, 4, and 5. It is primarily used as a metal powder coating additive in industrial paint formulations.
Metal powder coating additivePaint component (pigments, binders, and biocides)
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
ReferenceSame Category
Pyromellitic dianhydride
CAS89-32-7
Polyimide polymer precursor
ReferenceSame Category
Resacetophenone
CAS89-84-9
reagent for iron
ReferenceSame Category
1-(2-methylphenyl)methanamine
CAS89-93-0
chemical intermediate and building block
ReferenceSame Category
2-chlorobenzaldehyde
CAS89-98-5
Organic intermediate for dyes and chemicals
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for PYROMELLITIC ACID (CAS 89-05-4) is 2917.39.
HS code (international, 6-digit)
2917.39
EU CN code (8-digit)
2917 39 85
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-1,2,4,5-tetracarboxylic acid
InChIKey
CYIDZMCFTVVTJO-UHFFFAOYSA-N
SMILES
C1=C(C(=CC(=C1C(=O)O)C(=O)O)C(=O)O)C(=O)O
Synonyms (8)
- 1,2,4,5-Tetracarboxybenzene
- 1,4,5-Tetracarboxybenzene
- PYROMELLITIC ACID
- USAF XR-20
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