Boiling point :92-94℃/10mm
Density :0.976±0.06 g/cm3(Predicted)
refractive index :1.4285
storage temp. :Inert atmosphere,Store in freezer, under -20°C
pka :10.31±0.10(Predicted)
form :Liquid
color :Colorless to pale yellow
Water Solubility :Slightly soluble in water.
InChI :InChI=1S/C4H5NO/c1-4(6)2-3-5/h2H2,1H3
InChIKey :OPXYNEYEDHAXOM-UHFFFAOYSA-N
SMILES :C(#N)CC(=O)C
CAS DataBase Reference :2469-99-0

Symbol(GHS):
Signal word:	Danger
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 H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,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 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.