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5-[(4-amino-2-carboxyphenyl)amino]-2-hydroxybenzoic acid

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5-[(4-amino-2-carboxyphenyl)amino]-2-hydroxybenzoic acid Basic information

Product Name:
5-[(4-amino-2-carboxyphenyl)amino]-2-hydroxybenzoic acid
Synonyms:
  • 5-[(4-amino-2-carboxyphenyl)amino]-2-hydroxybenzoic acid
  • 5-amino-2-[(3-carboxy-4-hydroxyphenyl)amino]benzoic acid
  • Mesalazine EP Impurity S
  • Mesalazine Impurity 11(Mesalazine EP Impurity S)
  • Mesalamine Impurity (2-Hydroxy-5-amino-N-(2-carboxy-4-aminophenyl)benzoic Acid)
  • Mesalazine Impurity 2
  • Mesalamine Impurity 2
  • Mesalamine EP Impurity S
CAS:
1797983-23-3
MF:
C14H12N2O5
MW:
288.26
Mol File:
1797983-23-3.mol
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5-[(4-amino-2-carboxyphenyl)amino]-2-hydroxybenzoic acid Chemical Properties

Melting point:
>180°C (dec.)
Boiling point:
542.6±50.0 °C(Predicted)
Density 
1.590±0.06 g/cm3(Predicted)
storage temp. 
Hygroscopic, Refrigerator, Under Inert Atmosphere
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
2.85±0.36(Predicted)
color 
Yellow to Dark Green
Stability:
Hygroscopic
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5-[(4-amino-2-carboxyphenyl)amino]-2-hydroxybenzoic acid Usage And Synthesis

Uses

2-Hydroxy-5-Amino-N-(2-carboxy-4-aminophenyl)benzoic Acid is an impurity from the synthesis of Mesalamine (M258100).

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