o-Phenylenediamine
Title: o-Phenylenediamine
CAS Registry Number: 95-54-5
CAS Name: 1,2-Benzenediamine
Additional Names: o-diaminobenzene
Molecular Formula: C6H8N2
Molecular Weight: 108.14
Percent Composition: C 66.64%, H 7.46%, N 25.90%
Literature References: Made by reducing o-nitroaniline with Zn and NaOH.
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).
Melting point: mp 103-104°
Boiling point: bp 256-258°
Toxicity data: 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.

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