1,2-dimethylbenzene


o-dimethylbenzene; 1,2-dimethylbenzene; o-xylene; 1,2-xylene; 2-xylene; o-xylol
In russian:о-ксилол
Links:📏 NIST, ⚗️ ChemSynthesis
CAS RN:[95-47-6]
Formula:C8H10; 106.17 g/mol
InChiKey:CTQNGGLPUBDAKN-UHFFFAOYSA-N
SMILES:c1ccc(c(c1)C)C
Molecular structure of 1,2-dimethylbenzene
Use:artificial musk; dye intermediates; dyes; organic syntheses; removal of naphthalene from illuminating gas
Toxicology (LD50):1 540 mg/Kg (rat, ip); 3 567 mg/Kg(rat, or); 3 300 mg/Kg(rat, sc)
Density:0.876 g/mL
Molar volume:121.2 mL/mol
Refractive index:1.505
Molecular refractive power:35.97 mL/mol
Dielectric constant:2.57
Dipole moment:0.45 D
Melting point:-25 °C
Boiling point:146 °C
Vapour pressure:6 Torr
Antoine equation
P(Torr) vs T(°C)
Vapour pressure vs temperature
Surface tension:30.03 dyn/cm
Viscosity:0.81 cP
Critical temperature:358 °C
Critical pressure:36.9 atm
Critical volume:369.00 ml/mol
Evaporation rate (ether):14.0
Evaporation rate (butyl acetate):0.7
Log10 partition octanol / water:3.09
Snyder P':2.5
Hildebrant solubility parameter (δ):9.0
Hansen solubility parameter:δd: 8.7 (cal/mL)^0.5   δp: 0.5 (cal/mL)^0.5   δh: 1.5 (cal/mL)^0.5
Kauri butanol value:98

Isomers

3-allyl-1-penten-4-yne
Molecular structure of 3-allyl-1-penten-4-yne
1,3,5-cyclooctatriene
Molecular structure of 1,3,5-cyclooctatriene
1,2-dimethylbenzene
Molecular structure of 1,2-dimethylbenzene
1,3-dimethylbenzene
Molecular structure of 1,3-dimethylbenzene
1,4-dimethylbenzene
Molecular structure of 1,4-dimethylbenzene
6,6-dimethylfulvene
Molecular structure of 6,6-dimethylfulvene
2,5-dimethyl-1,5-hexadien-3-yne
Molecular structure of 2,5-dimethyl-1,5-hexadien-3-yne
ethylbenzene
Molecular structure of ethylbenzene
1,7-octadiyne
Molecular structure of 1,7-octadiyne
2,6-octadiyne
Molecular structure of 2,6-octadiyne
3,5-octadiyne
Molecular structure of 3,5-octadiyne