Melting point :-110 °C
Boiling point :55-56 °C(lit.)
Density :0.7404
vapor density :3.1 (vs air)
vapor pressure :4.05 psi ( 20 °C)
refractive index :n20/D 1.369(lit.)
Flash point :-27 °F
storage temp. :Store at +2°C to +25°C.
solubility :42g/l
form :Powder or Needles
color :APHA: ≤10
Specific Gravity :0.740
Relative polarity :0.124
Odor :Characteristic ethereal odor
explosive limit :1.5-8.5%(V)
Water Solubility :51 g/L (20 ºC)
FreezingPoint :-108.6℃
λmax :λ: 210 nm Amax: 1.0
λ: 225 nm Amax: 0.50
λ: 250 nm Amax: 0.10
λ: 300-400 nm Amax: 0.005 Merck :14,6032
BRN :1730942
Exposure limits :ACGIH: TWA 50 ppm
Dielectric constant :4.5
Stability :Stable, but may form explosive peroxides in contact with air. Extremely flammable - note low flash point. Incompatible with strong oxidizing agents.
InChIKey :BZLVMXJERCGZMT-UHFFFAOYSA-N
LogP :1.06 at 20℃
CAS DataBase Reference :1634-04-4(CAS DataBase Reference)
IARC :3 (Vol. 73) 1999
NIST Chemistry Reference :Propane, 2-methoxy-2-methyl-(1634-04-4)
EPA Substance Registry System :Methyl tert-butyl ether (1634-04-4)

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 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.