Melting point :-90°C
Boiling point :137-138 °C/765 mmHg (lit.)
Density :0.86 g/mL at 25 °C (lit.)
FEMA :3194 | 2-METHYL-2-PENTENAL
refractive index :n20/D 1.45(lit.)
Flash point :89 °F
storage temp. :Flammables area
form :Liquid
color :Clear colorless to pale yellow
Odor :at 10.00 % in dipropylene glycol. aldehydic green cortex fruity alliaceous ripe cherry earthy
Odor Type :green
biological source :synthetic
Water Solubility :20g/L(20 ºC)
Sensitive :Air Sensitive
JECFA Number :1209
BRN :506124
LogP :1.60
EPA Substance Registry System :2-Pentenal, 2-methyl- (623-36-9)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. 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.