Melting point :207-209℃
Boiling point :55-56 °C (lit.)
Density :1.01 g/mL at 25 °C (lit.)
vapor pressure :4.15 psi ( 20 °C)
refractive index :n20/D 1.495(lit.)
Flash point :50 °F
storage temp. :-20°C
Water Solubility :Insoluble in water
solubility :Chloroform (Soluble), Methanol (Sparingly)
form :liquid
color :Colorless to Almost colorless
Specific Heat Capacity :Cp(gas): 0.89 J/(g·K), at 25℃
BRN :102379
Henry's Law Constant :2.8×10^-2 mol/(m³Pa) at 25℃, HSDB (2015)
Stability :Stable at room temperature, but may have butylmercaptan added to enhance stability. Flammable.
InChI :1S/C2H4S/c1-2-3-1/h1-2H2
InChIKey :VOVUARRWDCVURC-UHFFFAOYSA-N
SMILES :C1CS1
LogP :0.556 (est)
CAS DataBase Reference :420-12-2(CAS DataBase Reference)
IARC :3 (Vol. 11, Sup 7) 1987
EPA Substance Registry System :Thiirane (420-12-2)

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 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
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. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.