Boiling point :137-139 °C2 mm Hg(lit.)
Density :1.313 g/mL at 25 °C(lit.)
vapor pressure :0.62Pa at 25℃
refractive index :n20/D 1.522(lit.)
Flash point :>230 °F
storage temp. :Store below +30°C.
solubility :20g/l; poorly soluble in water, miscible with alcohol.
pka :7.51±0.10(Predicted)
form :clear liquid
color :Colorless to Almost colorless
Specific Gravity :1.33 (20℃)
Water Solubility :20 g/L (20 ºC)
LogP :1.46 at 20℃
CAS DataBase Reference :123-81-9(CAS DataBase Reference)
NIST Chemistry Reference :Acetic acid, mercapto-, 1,2-ethanediyl ester(123-81-9)
EPA Substance Registry System :Acetic acid, mercapto-, 1,2-ethanediyl ester (123-81-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.