3-Amino-2-naphthoic Acid
Structural Formula Vector Image
Title: 3-Amino-2-naphthoic Acid
CAS Registry Number: 5959-52-4
CAS Name: 3-Amino-2-naphthalenecarboxylic acid
Additional Names: 3-aminoisonaphthoic acid
Molecular Formula: C11H9NO2
Molecular Weight: 187.19
Percent Composition: C 70.58%, H 4.85%, N 7.48%, O 17.09%
Literature References: Prepd from 3-hydroxy-2-naphthoic acid: C. F. H. Allen, A. Bell, Org. Synth. coll. vol. III, 78 (1955).
Properties: Yellow scales from dil alcohol, mp 214°. Sol in alcohol, ether. Solns are yellow with greenish fluorescence.
Melting point: mp 214°
 
Derivative Type: Sodium salt
Molecular Formula: C11H8NNaO2
Molecular Weight: 209.18
Percent Composition: C 63.16%, H 3.85%, N 6.70%, Na 10.99%, O 15.30%
Properties: Leaflets, very sparingly sol in water, alcohol.
 
Derivative Type: Ethyl ester
Molecular Formula: C13H13NO2
Molecular Weight: 215.25
Percent Composition: C 72.54%, H 6.09%, N 6.51%, O 14.87%
Properties: Yellow needles from dil alcohol. Sol in the usual organic solvents, mp 115-115.5°.
Melting point: mp 115-115.5°
 
Use: In the determination of copper, nickel, cobalt.

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