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Home/Compounds/Industrial Chemical/5-Aminoisophthalic acid
C8H7NO4
181.15 g/mol
Industrial ChemicalWarning

5-Aminoisophthalic acid

CAS99-31-0EC202-748-5
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
organic synthesis intermediate

5-Aminoisophthalic acid is an aromatic dicarboxylic acid with an amino substituent, commonly used as a building block in organic synthesis. Its structure features two carboxylic acid groups and one amine group on a benzene ring, contributing to its reactivity and polarity.

organic synthesis intermediateresearch reagent

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 0.89

3,5-diaminobenzoic acid

CAS535-87-5

research compound

ReferenceSame Category

3,5-dinitrobenzoic acid

CAS99-34-3

corrosion inhibitor for photography

ReferenceSame Category

1,2-dimethyl-4-nitrobenzene

CAS99-51-4

organic synthesis intermediate

ReferenceSame Category

3-nitrobenzaldehyde

CAS99-61-6

organic synthesis intermediate

ReferenceSame Category

Isophthaloyl chloride

CAS99-63-8

intermediate for dyes and synthetic fibers

Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for 5-Aminoisophthalic acid (CAS 99-31-0) is 2922.49.

HS code (international, 6-digit)

2922.49

EU CN code (8-digit)

2922 49 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

5-aminobenzene-1,3-dicarboxylic acid

InChIKey

KBZFDRWPMZESDI-UHFFFAOYSA-N

SMILES

C1=C(C=C(C=C1C(=O)O)N)C(=O)O

Synonyms (9)
  • W-100042
  • 3,5-Dicarboxyaniline
  • 5-Amino-1,3-isophthalic acid
  • 5-Aminoisophthalic acid
  • 5-aminoisophtalic acid
  • Isophthalic acid, 5-amino-

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