N-Phenylanthranilic acid CAS 91-40-7

N-Phenylanthranilic acid

Synonyms	2-(Phenylamino)benzoic acid; Diphenylamine-2-carboxylic acid
Molecular Structure
Molecular Formula	C13H11NO2
Molecular Weight	213.23
CAS Registry Number	91-40-7
EC Number	202-066-8

Uses:

(1) In the field of analytical chemistry

Redox indicator: used in titration analysis to indicate the endpoint of redox reactions.

Vanadium element detection:

Inspect the vanadium content in steel and conduct qualitative or quantitative analysis through color reaction.

Measure the concentration of potassium dichromate and vanadate as specialized reagents.

(2) Industrial and Materials Science

Metallurgical testing: used for quality control of vanadium content in steel smelting to ensure material properties.

(3) Pharmaceuticals and Chemicals

Pharmaceutical intermediates: As intermediates used in the synthesis of other drugs, they participate in organic synthesis reactions.