Anthranilic acid (or o-amino-benzoic acid) is an organic compound with the molecular formula C7H7NO2. The molecule consists of a benzene ring, hence is classed as aromatic, with two adjacent, or "ortho-" functional groups, a carboxylic acid and an amine. The compound is consequently amphoteric, although it is not usually referred to as an amino-acid. In appearance, anthranilic acid is a white solid when pure, although commercial samples may appear yellow. It may be sensitive to prolonged exposure to air and light. It is flammable and will produce nitrogen oxide fumes when burning.
It is sometimes referred to as vitamin L1, and has a sweetish taste
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