Melting point :22.5-24.5℃
alpha :D22 +6.67°; D26 +7.15° (c = 5 in acetone)
Boiling point :bp10 245°
Density :0.940 g/mL at 20 °C(lit.)
refractive index :1.4740 (589.3 nm, 25℃)
Flash point :248°C
storage temp. :-20°C
solubility :Ethanol
pka :4.78±0.10(Predicted)
form :Liquid
Specific Gravity :0.943 (20/4℃)
color :Colorless to Red to Green
optical activity :[α]/D 6.5±1.5°, c = 2 in acetone
Merck :14,8211
BRN :1727813
Stability :Light Sensitive
InChIKey :WBHHMMIMDMUBKC-GKUQOKNUSA-N
LogP :5.607 (est)
CAS DataBase Reference :141-22-0(CAS DataBase Reference)
EPA Substance Registry System :9-Octadecenoic acid, 12-hydroxy-, (9Z,12R)- (141-22-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention.