Melting point :-16.5°C
Boiling point :69 °C/20 mmHg (lit.)
Density :0.895 g/mL at 20 °C 0.871 g/mL at 25 °C (lit.)
vapor density :>1 (vs air)
refractive index :n20/D 1.541(lit.)
FEMA :3429 | TRANS,TRANS-2,4-HEXADIENAL
Flash point :154 °F
storage temp. :2-8°C
solubility :Almost insoluble in water, soluble in alcohol and oils.
form :liquid
color :Colorless
Specific Gravity :0.871
Odor :at 10.00 % in dipropylene glycol. sweet green spicy floral citrus
Odor Type :green
Water Solubility :It is Insoluble in water, but soluble in ethanol.
Sensitive :Air Sensitive
JECFA Number :1175
BRN :1698401
Stability :Stable. Combustible. Incompatible with strong reducing agents, strong bases, strong oxidizing agents.
LogP :1.06
CAS DataBase Reference :142-83-6(CAS DataBase Reference)
IARC :2B (Vol. 101) 2013
NIST Chemistry Reference :2,4-Hexadienal, (E,E)-(142-83-6)
EPA Substance Registry System :2,4-Hexadienal, (2E,4E)- (142-83-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.