• Appearance：
  Yellow-brown to brown crystalline powder
• Meltingpoint：
  211~215℃
• Boilingpoint：
  385.7℃ at 760 mmHg
• Flashpoint：
  187.1℃
• Density：
  1.028g/cm3

4-Amino-3-hydroxybenzoic acid, CAS NO. 2374-03-0 can be used as an inhibitor of anti-HIV infection therapy and diabetes drug Mail2 lard reaction, and it is used as a monomer to prepare lyotropic polymer material polybenzoxazole. As a fine chemical ,4-Amino-3-hydroxybenzoic acid can be used to prepare a series of derivatives using it as a raw material, and can also be used in thermal recording materials and hair dyes.

4-Amino-3-hydroxybenzoic acid is an intermediate of Tafamidis. Tafamidis (trade name Vyndaqel) is a drug for the amelioration of transthyretin-related hereditary amyloidosis (also familial amyloid polyneuropathy, or FAP), a rare but deadly neurodegenerative disease.

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CAS No. 63435-16-5, Methyl 4-amino-3-hydroxybenzoate