Catalog Number
ACMA00017266
Product Name
1,2,3-Trimethylbenzene
Description
COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.;COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.;Clear, colorless liquid with a distinctive, aromatic odor.;Clear, colorless liquid with a distinctive, aromatic odor.
IUPAC Name
1,2,3-trimethylbenzene
Molecular Weight
120.19g/mol
Molecular Formula
C9H12;C9H12;C9H12
Canonical SMILES
CC1=C(C(=CC=C1)C)C
InChI
InChI=1S/C9H12/c1-7-5-4-6-8(2)9(7)3/h4-6H,1-3H3
InChI Key
FYGHSUNMUKGBRK-UHFFFAOYSA-N
Boiling Point
176.1 °C;176.12 °C;176 °C;165-176 °C;329-349°F;349°F
Melting Point
-25.4 °C;-25.4 °C;-25 °C;-25 - 45 °C;-77 - (-)14°F;-14°F
Flash Point
44 to 53 °C (closed cup);111 °F (44 °C) (Closed cup);44 °C;44-53 °C c.c.;112-122°F
Density
0.8944 g/cu cm at 20 °C;0.89 g/cm³;Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.01;Relative density (water = 1): 0.86-0.89;0.86-0.89;0.89
Solubility
6.26e-04 M;Miscible with ethanol, ether, acetone, benzene, petroleum ether, carbon tetrachloride;In water, 75.2 mg/L at 25 °C;Solubility in water, g/100ml: 0.005;Solubility in water: very poor;Low
Color/Form
Colorless liquid;Clear, colorless liquid
Covalently-Bonded Unit Count
1
EC Number
247-099-9;208-394-8
Heat of Vaporization
49.05 kJ/mol at 20 °C
Log P
3.66 (LogP);log Kow = 3.66;3.7;3.4/3.8
MeSH Entry Terms
hemimellitene
Monoisotopic Mass
120.0939g/mol
Odor
Distinctive, aromatic odor
Other Experimental
Conversion factors: 1 mg/cu m = 0.20 ppm; 1 ppm = 5.00 mg/cu m;Heat of formation: -58.5 kJ/mol at 298.15 K (liquid); -9.5 kJ/mol at 298.15 K (gas);Standard molar entropy: 267.9 J/mol K at 298.15 K;Molar heat capacity: 216.4 J/mol K at 298.15 K and constant pressure;Henry's Law constant = 4.36X10-3 atm-cu m/mol at 25 °C;Hydroxyl radical reaction rate constant = 3.27X10-11 cu cm/molec-sec at 25 °C
Refractive Index
Index of refraction: 1.5139 at 20 °C/D
RTECS Number
DC3220000;DC3300000
Vapor Density
4.15 (Air = 1);Relative vapor density (air = 1): 4.1;Relative vapor density (air = 1): 4.1
Vapor Pressure
1.69 mmHg;1.69 mm Hg at 25 °C;Vapor pressure, kPa at 20 °C: 0.18;Vapor pressure, kPa at 20 °C: 0.18 - 0.25;varies;(62°F): 1 mmHg