4-Methylphenylhydrazine hydrochloride 539-44-6 637-60-5 EINECS 211-295-2 HYDRAZINE, p-TOLYL-, HYDROCHLORIDE Hydrazine, (4-methylphenyl)-, monohydrochloride Hydrazine, p-tolyl-, monohydrochloride (8CI) NSC 2112 p-Tolylhydrazine hydrochloride p-Tolylhydrazinium(1+) chloride