1,2,3-Trimethylbenzene

Melting point :−25 °C(lit.)
Boiling point :175-176 °C(lit.)
Density :0.894 g/mL at 25 °C(lit.)
vapor density :4.15 (vs air)
vapor pressure :3.4 mm Hg ( 37.7 °C)
refractive index :n20/D 1.513(lit.)
Flash point :119 °F
solubility :Soluble in acetone, alcohol, benzene, and ether (Weast, 1986)
pka :>14 (Schwarzenbach et al., 1993)
color :Colorless to Light yellow
Odor Threshold :0.032ppm
Water Solubility :65.51mg/L(25 ºC)
BRN :1903410
Henry's Law Constant :3.18 at 25 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits :NIOSH REL: TWA 25 ppm (125 mg/m³); ACGIH TLV: TWA for mixed isomers 25 ppm (adopted).
Dielectric constant :2.6600000000000001
Stability :Stable. Flammable. Incompatible with strong oxidizing agents.
LogP :3.660
CAS DataBase Reference :526-73-8(CAS DataBase Reference)
NIST Chemistry Reference :Benzene, 1,2,3-trimethyl-(526-73-8)
EPA Substance Registry System :1,2,3-Trimethylbenzene (526-73-8)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.