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4-Aminobenzoic acid acts as a gastric acid secretion inhibitor. It is employed as an intermediate in the synthesis of folate (Vitamin BX), azo dyes and cross linking agents. It is also useful in biomedical sector for the preparation of local anesthetic and ointments. It is widely used in industries to make pharmaceutical products, flavors and preservatives. It is actively involved as a UV-blocking ingredient in sun tan cosmetics.
Liu, B.-T.; Li, P.-S. Preparation and characterization of high-refractive-index polymer/inorganic hybrid films containing TiO2 nanoparticles prepared by 4-aminobenzoic acid. Surf. Coat. Technol. 2013, 231, 301-306.
Campbell, J. L.; Blanc, J. C. Y. L.; Schneider, B. B. Probing Electrospray Ionization Dynamics Using Differential Mobility Spectrometry: The Curious Case of 4-Aminobenzoic Acid. Anal. Chem. 2012, 84 (18), 7857-7864.
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.