Melting point :-28.46°C (estimate)
Boiling point :173 °C (lit.)
Density :0.778 g/mL at 25 °C (lit.)
vapor pressure :2.5 hPa (20 °C)
refractive index :n20/D 1.407
Flash point :46 °C
storage temp. :Store below +30°C.
solubility :alcohol: miscible(lit.)
form :clear liquid
color :Colorless to Almost colorless
Water Solubility :insoluble
Merck :14,5118
BRN :1698014
Dielectric constant :2.8（20℃）
LogP :5.078 at 25℃
CAS DataBase Reference :544-01-4(CAS DataBase Reference)
NIST Chemistry Reference :Butane, 1,1'-oxybis[3-methyl-(544-01-4)
EPA Substance Registry System :Butane, 1,1'-oxybis[3-methyl- (544-01-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.