| Melting point |
-26--23 °C (lit.) |
| Boiling point |
143-145 °C (lit.) |
| Density |
0.879 g/mL at 20 °C (lit.) |
| vapor density |
3.7 (vs air) |
| vapor pressure |
<0.1 atm ( 21.1 °C) |
| refractive index |
n20/D 1.505(lit.) |
| Flash point |
90 °F |
| storage temp. |
Store below +30°C. |
| solubility |
water: partially soluble0.1705 g/L at 25°C |
| form |
Solid or Crystalline Powder |
| pka |
>15 (Christensen et al., 1975) |
| color |
Yellow to beige |
| Odor |
Benzene-like; characteristic aromatic. |
| explosive limit |
1.0-7.6%(V) |
| Odor Threshold |
0.38ppm |
| Water Solubility |
Sparingly soluble in water. (0.2g/L) |
| λmax |
λ: 288 nm Amax: 1.00
λ: 300 nm Amax: 0.40
λ: 325 nm Amax: 0.05
λ: 350-400 nm Amax: 0.01 |
| Merck |
14,10081 |
| BRN |
1815558 |
| Henry's Law Constant |
14.0 at 45.00 °C, 16.4 at 50.00 °C, 19.0 at 55.00 °C, 21.3 at 60.00 °C, 26.3 at 70.00 °C (static headspace-GC, Park et al., 2004) |
| Exposure limits |
NIOSH REL: 100 ppm (435 mg/m3), STEL 150 ppm (655 mg/m3), IDLH 900
ppm; OSHA PEL: TWA 100 ppm; ACGIH TLV: TWA 100 ppm, STEL 150 ppm (adopted). |
| Dielectric constant |
2.5699999999999998 |
| Stability |
Stable. Incompatible with oxidizing agents. Flammable. Hygroscopic. |
| InChIKey |
CTQNGGLPUBDAKN-UHFFFAOYSA-N |
| LogP |
3.16 at 20℃ |
| Surface tension |
29.86mN/m at 298.15K |
| CAS DataBase Reference |
95-47-6(CAS DataBase Reference) |
| NIST Chemistry Reference |
Benzene, 1,2-dimethyl-(95-47-6) |
| EPA Substance Registry System |
o-Xylene (95-47-6) |
| ECETOC JACC REPORT |
o-Xylene (95-47-6) |
