Description
o-Xylene
puriss. p.a., ≥99.0% (GC)
Synonym: 1,2-Dimethylbenzene
-
CAS Number 95-47-6
-
Linear Formula C6H4(CH3)2
-
Molecular Weight 106.17
-
Beilstein Registry Number 1815558
-
MDL number MFCD00008519
Properties
vapor density | 3.7 (vs air) |
vapor pressure | <0.1 atm ( 21.1 °C) |
- | 16 mmHg ( 37.7 °C) |
- | 7 mmHg ( 20 °C) |
grade | puriss. p.a. |
assay | ≥99.0% (GC) |
autoignition temp. | 867 °F |
expl. lim. | 7 % |
impurities | ≤0.4% toluene (GC) |
- | ≤0.6% m- and p-xylene (GC) |
evapn. residue | ≤0.002% |
refractive index | n20/D 1.505(lit.) |
- | n20/D 1.505 |
bp | 143-145 °C(lit.) |
mp | -26--23 °C(lit.) |
solubility | water: partially soluble 0.1705 g/L at 25 °C |
density | 0.879 g/mL at 20 °C(lit.) |
cation traces | Al: ≤0.5 mg/kg |
- | Ba: ≤0.1 mg/kg |
- | Bi: ≤0.1 mg/kg |
- | Ca: ≤0.5 mg/kg |
- | Cd: ≤0.05 mg/kg |
- | Co: ≤0.02 mg/kg |
- | Cr: ≤0.02 mg/kg |
- | Cu: ≤0.02 mg/kg |
- | Fe: ≤0.1 mg/kg |
- | K: ≤0.5 mg/kg |
- | Li: ≤0.1 mg/kg |
- | Mg: ≤0.1 mg/kg |
- | Mn: ≤0.02 mg/kg |
- | Mo: ≤0.1 mg/kg |
- | Na: ≤0.5 mg/kg |
- | Ni: ≤0.02 mg/kg |
- | Pb: ≤0.1 mg/kg |
- | Sr: ≤0.1 mg/kg |
- | Zn: ≤0.1 mg/kg |