5999. N-(p-Methoxyphenyl)-p-phenylenediamine

Nomenclature

CAS number: 101-64-4
N1-(4-Methoxyphenyl)-1,4-benzenediamine; 4-amino-4′-methoxydiphenylamine; 4-methoxy-4′-aminodiphenylamine; Variamine Blue base.
C13H14N2O; mol wt 214.26.
C 72.87%, H 6.59%, N 13.07%, O 7.47%.

Description and references

Prepd from the corresp nitroso compd: Willsttter, Kubli, Ber. 42, 4139 (1909).

Chemical structure

Properties

Needles from ligroin, mp 102°. bp12 238°. Freely sol in alcohol, ether, benzene. Slightly sol in water, petr ether.

Derivative

Hydrochloride.

Nomenclature

CAS number: 3566-44-7
C13H14N2O.HCl; mol wt 250.72.
C 62.28%, H 6.03%, N 11.17%, O 6.38%, Cl 14.14%.

Properties

Gray-blue solid.

Derivative

Sulfate.

Nomenclature

CAS number: 3169-21-9
(C13H14N2O)2.H2SO4; mol wt 526.60.
C 59.30%, H 5.74%, N 10.64%, O 18.23%, S 6.09%.

Properties

Crystals, sol in water. Addition of ferric chloride produces intensely blue solns.

Use

Hydrochloride as indicator in analytical chemistry.