Melting point :-23 °C
Boiling point :199-200 °C(lit.)
Density :1.008 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.)
Flash point :185 °F
storage temp. :2-8°C
solubility :1.5 g/100 mL (25°C)
Colour Index :37077
pka :4.44(at 25℃)
form :liquid
color :light yellow to light amber
PH :7.4 (H2O, 20℃)Aqueous solution
Odor :Aromatic, aniline-like.
explosive limit :1.5-7.5%(V)
Water Solubility :1.5 g/100 mL (25 ºC)
Sensitive :Air & Light Sensitive
Merck :14,9536
BRN :741981
Henry's Law Constant :1.98 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Exposure limits :TLV-TWA 2 ppm (～9 mg/m³) (ACGIH), 5 ppm (～22 mg/m³) (MSHA, OSHA, and NIOSH); IDLH level 100 ppm (NIOSH); carcinogenicity: Suspected Human Carcino gen (ACGIH), Human Limited Evidence (IARC).
Dielectric constant :6.3399999999999999
InChIKey :RNVCVTLRINQCPJ-UHFFFAOYSA-N
LogP :1.4 at 24.5℃
CAS DataBase Reference :95-53-4(CAS DataBase Reference)
IARC :1 (Vol. Sup 7, 77, 99, 100F) 2012
NIST Chemistry Reference :Benzenamine, 2-methyl-(95-53-4)
EPA Substance Registry System :o-Toluidine (95-53-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H350 May cause cancer Carcinogenicity Category 1A, 1B Danger H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.