7284. o-Phenylenediamine

Nomenclature

CAS number: 95-54-5
1,2-Benzenediamine; o-diaminobenzene.
C6H8N2; mol wt 108.14.
C 66.64%, H 7.46%, N 25.90%.

Description and references

Made by reducing o-nitroaniline with Zn and NaOH.

Chemical structure

Properties

Brownish-yellow crystals. mp 103-104°. bp 256-258°. Slightly sol in water; freely sol in alcohol, chloroform, ether. LD50 in rats (mg/kg): 1070 orally; 516 i.p., C. Burnett et al., J. Toxicol. Environ. Health 2, 657 (1977).

Use

Manufacture of dyes.