C8H6O5
182.13 g/mol
OtherWarning
5-Hydroxyisophthalic acid
CAS618-83-7EC210-565-7
Category
Other
Compound Class
n.a
Primary Use
Chemical intermediate for research and manufacturing
5-Hydroxyisophthalic acid is an aromatic dicarboxylic acid bearing a hydroxyl substituent. It is primarily used as an intermediate in organic synthesis and in the production of specialty chemicals.
Organic synthesis intermediateBuilding block for coordination polymers
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 0.88
3,5-dihydroxybenzoic acid
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SimilarStructure SimilarSimilarity 0.75
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Calcium acetate
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calcium supplement and phosphate binder
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Hydroxyisophthalic acid (CAS 618-83-7) is 2918.29.
HS code (international, 6-digit)
2918.29
EU CN code (8-digit)
2918 29 00
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
5-hydroxybenzene-1,3-dicarboxylic acid
InChIKey
QNVNLUSHGRBCLO-UHFFFAOYSA-N
SMILES
C1=C(C=C(C=C1C(=O)O)O)C(=O)O
Synonyms (10)
- 5-HIPA
- 3,5-dicarboxyphenol
- 5-Hydoxyisophthalic acid
- 5-Hydroxyisophthalic acid
- 5-Hydroxyisosphthalic acid
- 5-Oxyisophthalic acid
- Isophthalic acid, 5-hydroxy-
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