Melting point :140-145 °C
Boiling point :111℃
Density :1.261
refractive index :1.4100 (estimate)
Flash point :32℃
storage temp. :Inert atmosphere,Store in freezer, under -20°C
solubility :DMSO (Slightly), Ethyl Acetate (Slightly, Heated), Methanol (Slightly)
pka :1.48±0.10(Predicted)
form :Crystalline Powder
color :Brown
InChI :InChI=1S/C3H3ClO2/c4-3(1-5)2-6/h1-3H
InChIKey :KTRZQCIGJUWSGE-UHFFFAOYSA-N
SMILES :C(=O)C(Cl)C=O

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 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
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.