Definitions for 4-aminobenzoic acid
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4-Aminobenzoic acid is an organic compound with the formula H2NC6H4CO2H. PABA is a white grey crystalline substance that is only slightly soluble in water. It consists of a benzene ring substituted with an amino group and a carboxyl group.
U.S. National Library of Medicine
A member of the VITAMIN B COMPLEX. It used to be common in SUNSCREENING AGENTS until found to also be a sensitizer. The potassium salt is used therapeutically in fibrotic skin disorders.
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"4-aminobenzoic acid." Definitions.net. STANDS4 LLC, 2015. Web. 29 Nov. 2015. <http://www.definitions.net/definition/4-aminobenzoic acid>.