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3-Amino-4-hydroxybenzoic acid is used to produce 4-acetoxy-3-acetylamino-benzoic acid with acetic acid anhydride at temperature of 0 - 20°C. This reaction will need reagents aq. HCl and NaOAc.
Beata G. Interaction of mushroom tyrosinase with aromatic amines, o-diamines and o-aminophenols. Biochimica et Biophysica Acta (BBA) - General Subjects. 2004, 1673, (3), 170-177.
Steven J. Gould.; Chris R. Melville.; Martha C. Cone. 3-Amino-4-hydroxybenzoic Acid Is Derived from the Tricarboxylic Acid Cycle Rather Than the Shikimic Acid Pathway1. J. Am. Chem. Soc. 1996, 118, (39), 9228-9232.
Hazard Statements: H302-H315-H319-H335
Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P362-P501c
Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant