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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P273 Avoid release to the environment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P331 Do NOT induce vomiting.