Melting point :26-28 °C (lit.)
Boiling point :123-125 °C/30 mmHg (lit.)
Density :0.979 g/mL at 25 °C
vapor density :>1 (vs air)
vapor pressure :1.63Pa at 24℃
FEMA :3195 | 2-METHYL-2-PENTENOIC ACID
refractive index :n20/D 1.46(lit.)
Flash point :226 °F
storage temp. :Sealed in dry,Room Temperature
solubility :soluble in Chloroform, Methanol
form :clear liquid
pka :5.00±0.19(Predicted)
color :Colorless to Light orange to Yellow
Odor :at 10.00 % in dipropylene glycol. fruity strawberry woody
Odor Type :fruity
Water Solubility :insoluble
InChIKey :JJYWRQLLQAKNAD-SNAWJCMRSA-N
LogP :1.9 at 25℃
CAS DataBase Reference :16957-70-3(CAS DataBase Reference)
NIST Chemistry Reference :2-Pentenoic acid, 2-methyl-, (E)-(16957-70-3)
EPA Substance Registry System :2-Pentenoic acid, 2-methyl-, (2E)- (16957-70-3)

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
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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. P363 Wash contaminated clothing before reuse.