Melting point :-148 °C
Boiling point :35 °C(lit.)
Density :0.839 g/mL at 25 °C(lit.)
vapor density :2.1 (vs air)
vapor pressure :8.51 psi ( 20 °C)
refractive index :n20/D 1.4306(lit.)
FEMA :4258 | ETHANETHIOL
Flash point :1 °F
storage temp. :Store below +30°C.
solubility :Soluble in Ether, Alcohol, Acetone
pka :10.6(at 25℃)
form :Liquid
color :Colorless
Odor :Strong chunk; offensive garlic.
Odor Threshold :0.0000087ppm
explosive limit :2.8-18%(V)
Water Solubility :Slightly miscible with water.
Merck :14,3726
JECFA Number :1659
BRN :773638
Henry's Law Constant :3.57(x 10^-3 atm?m³/mol) at 25 °C (Przyjazny et al., 1983)
Exposure limits :TLV-TWA 0.5 ppm (～1.3 mg/m³ ) (ACGIH and MSHA); ceiling 10 ppm (OSHA); IDLH 2500 ppm (NIOSH).
Dielectric constant :6.9（14℃）
Stability :Stable. Extremely flammable - note low flash point. Incompatible with oxidizing agents, strong acids. May form explosive mixtures with air.
LogP :1.44
CAS DataBase Reference :75-08-1(CAS DataBase Reference)
NIST Chemistry Reference :Ethanethiol(75-08-1)
EPA Substance Registry System :Ethyl mercaptan (75-08-1)

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 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
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+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P403+P233 Store in a well-ventilated place. Keep container tightly closed.