10096. Yellow OB
Nomenclature
CAS number: 131-79-3
1-[(2-Methylphenyl)azo]-2-naphthalenamine; C.I. Solvent Yellow 6; 1-o-tolylazo-2-naphthylamine; FD & C Yellow no. 4; Ext. D & C Yellow no. 10; C.I. 11390. C17H15N3; mol wt 261.32.
C 78.13%, H 5.79%, N 16.08%.
Description and references
Prepd from diazotized o-toluidine and β-naphthylamine: Krüss, Z. Phys. Chem. 51, 270 (1905); Norman, J. Chem. Soc. 101, 1913 (1912); Fischer, J. Prakt. Chem. 104, 102 (1922); Hodgson, Foster, J. Chem. Soc. 1942, 30. Toxicity studies: Allmark et al., J. Pharm. Pharmacol. 7, 591 (1955); Hansen et al., Toxicol. Appl. Pharmacol. 5, 16 (1963). Formerly used in the U.S. for coloring oleomargarine.
