2,5-Diaminotoluene

• CAT Number: R060585
• CAS Number: 95-70-5
• Molecular Formula: C7H10N2
• Molecular Weight: 122.171
• Purity: ≥95%
• Synonyms: 2-Methyl-1,4-benzenediamine; Toluene-2,5-diamine; 1,4-Diamino-2-methylbenzene; 1-Methyl-2,5-diaminobenzene; 2,5-Diaminotoluol; 2-Methyl-1,4-phenylenediamine; 2-Methyl-p-phenylenediamine; 4-Amino-2-methylaniline; 4-Amino-3-methylaniline; C.I. 76042; T
• Storage: -20°C
• IUPAC Name: 2-methylbenzene-1,4-diamine
• InChI: InChI=1S/C7H10N2/c1-5-4-6(8)2-3-7(5)9/h2-4H,8-9H2,1H3
• InChIKey: OBCSAIDCZQSFQH-UHFFFAOYSA-N
• SMILES: CC1=C(C=CC(=C1)N)N

2,5-Diaminotoluene (CAS 95-70-5) is a hair-dye constituent. 

Reference

1.Inouye, M., and U. Murakami. "Teratogenicity of 2, 5-diaminotoluene, a hair-dye constituent, in mice." Food and Cosmetics Toxicology 15.5 (1977): 447-451.
2.Corbett, John F. "An historical review of the use of dye precursors in the formulation of commercial oxidation hair dyes." Dyes and Pigments 41.1-2 (1999): 127-136.