Title: p-Aminophenylacetic Acid
CAS Registry Number: 1197-55-3
CAS Name: 4-Aminobenzeneacetic acid
Additional Names: p-amino-a-toluic acid
Molecular Formula: C8H9NO2
Molecular Weight: 151.16
Percent Composition: C 63.57%, H 6.00%, N 9.27%, O 21.17%
Literature References: Prepd by the reduction of p-nitrophenylacetic acid with hydrogen sulfide in the presence of ammonia: G. R. Robertson, Org. Synth. coll. vol. I, 52 (2nd ed., 1941).
Properties: Plates, leaflets from water, mp 199-200° (dec). Moderately sol in hot water; sol in alcohol, in alkalies.
Melting point: mp 199-200° (dec)
Derivative Type: Hydrochloride
Molecular Formula: C8H9NO2.HCl
Molecular Weight: 187.62
Percent Composition: C 51.21%, H 5.37%, N 7.47%, O 17.06%, Cl 18.90%
Properties: Rods from HCl, freely sol in water, sol in alcohol (about 3% w/w).
Derivative Type: Ethyl ester
Molecular Formula: C10H13NO2
Molecular Weight: 179.22
Percent Composition: C 67.02%, H 7.31%, N 7.82%, O 17.85%
Properties: Platelets from water, mp 51°.
Melting point: mp 51°
Derivative Type: N-Benzoyl deriv
Properties: Needles from alcohol, mp 205-206°.
Melting point: mp 205-206°
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