Melting point |
-129 °C |
Boiling point |
58 °C(lit.) |
Density |
0.662 g/mL at 25 °C(lit.) |
vapor density |
3 (vs air) |
vapor pressure |
7.41 psi ( 37.7 °C) |
refractive index |
n20/D 1.375(lit.) |
Flash point |
−28 °F |
storage temp. |
Flammables area |
solubility |
In methanol: 495, 593, 760, and 1,700 g/L at 5, 10, 15, and 20 °C, respectively. Miscible at higher
temperatures (Kiser et al., 1961). |
pka |
>14 (Schwarzenbach et al., 1993) |
form |
Liquid |
color |
Colorless |
explosive limit |
~7.7% |
Odor Threshold |
0.42ppm |
Water Solubility |
Soluble in water (1mg/ml @22°C), DMSO, ethanol, acetone. |
BRN |
1730737 |
Henry's Law Constant |
1.28(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981) |
Exposure limits |
ACGIH TLV: TWA and STEL for all isomers except n-hexane are 500 and
1,000 ppm, respectively (adopted). |
Dielectric constant |
1.8899999999999999 |
Stability |
Stable. Flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with strong oxidizing agents, oxygen. |
InChIKey |
ZFFMLCVRJBZUDZ-UHFFFAOYSA-N |
LogP |
3.42 |
CAS DataBase Reference |
79-29-8(CAS DataBase Reference) |
EPA Substance Registry System |
2,3-Dimethylbutane (79-29-8) |