Chemicals Anthranilic acid
Anthranilic acid

CAS number 118-92-3

Anthranilic acid is the organic compound with the formula C6H4(NH2)CO2H. This amino acid is white solid when pure, although commercial samples may appear yellow. The molecule consists of a benzene ring with two adjacent functional groups, a carboxylic acid and an amine. Because these two groups are polar, this organic compound is highly soluble in water. It is sometimes referred to as vitamin.




Properties

Molecular formula C7H7NO2
Molar mass 137.14 g mol−1
Density 1.4 g/cm3
Melting point
146-148 °C
Boiling point
Sublimes
Solubility in water 5.7 g/L (25 °C)
Solubility Hot water

Hazards

MSDS External (html)
R-phrases R36 R37
S-phrases S26 S39
Flash point >150 °C

Synonyms:

o-Aminobenzoic acid; 2-Carboxyaniline; Anthranilic acid; Benzoic acid, o-amino-; Kyselina o-aminobenzoova [Czech]; Anthranilate; o-Carboxyaniline; ortho-Aminobenzoic acid; 2-Aminobenzoic acid; ANTHRANILIC ACID; Benzoic acid, 2-amino-; Kyselina anthranilova [Czech]; 1-Amino-2-carboxybenzene; 2-Aminobenzoate; Caswell No. 033G; Vitamin L1; BRN 0471803; o-Anthranilic acid; NCI-C01730; AI3-02408

Uses

Anthranilic acid is used as an intermediate for production of dyes, pigments, and saccharin. It and its esters are used in preparing perfumes to imitate jasmine and orange, pharmaceuticals (loop diuretics eg. furosemide) and UV-absorber as well as corrosion inhibitors for metals and mold inhibitors in soya sauce.

Anthranilic acid can be used in organic synthesis to generate the benzyne intermediate.

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