Boiling point :129-130 °C
Density :1.111 g/mL at 25 °C
vapor pressure :0.021Pa at 25℃
refractive index :n20/D 1.505
Flash point :110 °C
storage temp. :2-8°C
Water Solubility :Soluble in water
pka :14.10±0.46(Predicted)
form :liquid
color :Colorless to Light yellow to Light orange
Cosmetics Ingredients Functions :BINDING
InChI :InChI=1S/C5H9NO2/c1-2-5(8)6-3-4-7/h2,7H,1,3-4H2,(H,6,8)
InChIKey :UUORTJUPDJJXST-UHFFFAOYSA-N
SMILES :C(NCCO)(=O)C=C
LogP :-0.73 at 20℃ and pH7
Surface tension :72mN/m at 1g/L and 20℃

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P314 Get medical advice/attention if you feel unwell. P501 Dispose of contents/container to..…