Synonym1-Benzeneazo-2-naphthol, Benzeneazo-ß-naphthol, Brasilazina Oil Orange, Calcogas Orange NC, Ceres Orange R, C.I. 12055, C.I. Solvent Yellow 14, Dispersol Yellow PP, Enial Orange I, Fast Oil Orange I, Fast Orange, Fat Orange 4A, Fat Orange G, Fat Orange I
Molecular weight248.28
EINECS212-668-2
SMILESc12c(\N=N\c3ccccc3)c(ccc1cccc2)O
InChI1S/C16H12N2O/c19-15-11-10-12-6-4-5-9-14(12)16(15)18-17-13-7-2-1-3-8-13/h1-11,19H
Melting Point131-133 °C
StabilityIncompatible with strong oxidizing agents.
Storage TemperatureAmber Vial, Refrigerator, Under Inert Atmosphere
Water solubility0.5 g/L (30 ºC)
Colour Index12055
log P (octanol-water)5.510
Water solubility0.674 mg/L
Vapor Pressure7.34E-08 mm Hg
Atmospheric OH Rate Constant1.83E-11 cm3/molecule-sec
Henry's Law Constant2.62E-11 atm-m3/mole
Melting Point134 ° C
FormPowder
ColorOrange to red or brown