Melting point :-111.9°C
alpha :-14 º (neat)
Boiling point :33-34 °C(lit.)
Density :0.829 g/mL at 20 °C(lit.)
vapor density :2 (vs air)
vapor pressure :8.59 psi ( 20 °C)
refractive index :n20/D 1.366(lit.)
Flash point :−35 °F
storage temp. :2-8°C
form :clear liquid
color :Colorless to Almost colorless
explosive limit :37%
Water Solubility :40 g/100 mL (20 ºC)
Merck :14,7856
BRN :79765
LogP :0.03-0.085
CAS DataBase Reference :16088-62-3(CAS DataBase Reference)
NIST Chemistry Reference :Oxirane, methyl-, (s)-(16088-62-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H224 Extremely flammable liquid and vapour Flammable liquids Category 1 Danger H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. 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. P308+P313 IF exposed or concerned: Get medical advice/attention. P403+P233 Store in a well-ventilated place. Keep container tightly closed.