Melting point :132-135 °C (lit.)
Boiling point :228°C
Density :1.2 g/cm3 at 20 °C
vapor pressure :0.01 mm Hg ( 20 °C)
FEMA :3921 | 2,4-HEXADIENOIC ACID, (E,E)-
refractive index :1.4600 (estimate)
Flash point :127 °C
storage temp. :2-8°C
solubility :ethanol: 0.1 g/mL, clear
form :Crystalline Powder
pka :4.76(at 25℃)
color :White or cream-white
PH :3.3 (1.6g/l, H2O, 20°C)
Odor :bland
Water Solubility :1.6 g/L (20 ºC)
Merck :14,8721
JECFA Number :1176
BRN :1741831
Stability :Material saturated with this acid may ignite spontaneously. Incompatible with strong oxidizing agents. May be light sensitive.
InChIKey :WSWCOQWTEOXDQX-MQQKCMAXSA-N
LogP :1.32 at 20℃
CAS DataBase Reference :110-44-1(CAS DataBase Reference)
NIST Chemistry Reference :2,4-Hexadienoic acid, (E,E)-(110-44-1)
EPA Substance Registry System :Sorbic acid (110-44-1)

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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. 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. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention.