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.
Uses:o-Toluidine is used in the manufacture ofvarious dyes, in printing textiles blue-blackand as an intermediate in rubber chemicals,pesticides, and pharmaceuticals.