O-toluidine (ortho-toluidine) is an organic compound with the chemical formula C7H9N. This arylamine is a colorless to pale-yellow liquid with a poor solubility in water.
Appearance & Physical State
light yellow to light amber liquid
Density
1.008
Melting Point
-23ºC
Boiling Point
199-200ºC
Flash Point
85ºC
Refractive Index
1.571-1.573
Water Solubility
1.5 g/100 mL (25 ºC)
Stability
Stable under normal temperatures and pressures. Substance undergoes color change upon exposure to light and air.
Product Categories: Intermediates of Dyes and Pigments;Azo dye;
Amines;Aromatics;Mutagenesis Research Chemicals;Building Blocks;
C7;Chemical Synthesis;Nitrogen Compounds;Organic Building Blocks;
o-Toluidine Chemical Properties
mp -23 °C
bp 199-200 °C(lit.)
density 1.004 g/mL at 25 °C(lit.)
vapor density 3.7 (vs air)
vapor pressure 0.26 mm Hg ( 25 °C)
refractive index n20/D 1.572(lit.)
Fp 185 °F
storage temp. 2-8°C
solubility 1.5 g/100 mL (25°C)
Colour Index 37077
form liquid
color light yellow to light amber
Water Solubility 1.5 g/100 mL (25 ºC)
Merck 14,9536
Safety Information
Hazard Codes T,N,F
Risk Statements 45-23/25-36-50-35-20/22-10-39/23/24/25-23/24/25-11
Safety Statements 53-45-61-36/37/39-26-36/37-16-7
HS Code 29214300
Hazardous Substances Data 95-53-4(Hazardous Substances Data)
o-Toluidine Usage And Synthesis
Chemical Properties Light Beige Purple Liquid
Usage A carcinogenic and toxic aromatic amine contained in hair dye, henna and dyed hair samples.
General Description A clear colorless or light yellow liquid. May become reddish brown on exposure to air and light. Flash point 185°F. Has about the same density as water and is very slightly soluble in water. Vapors are heavier than air. Confirmed carcinogen.
