Melting point :17.3°C (estimate)
Boiling point :195 °C(lit.)
Density :0.949 g/mL at 25 °C(lit.)
refractive index :n20/D 1.43(lit.)
FEMA :3511 | 2-METHYL-4-PENTENOIC ACID
Flash point :210 °F
storage temp. :Inert atmosphere,Room Temperature
solubility :Chloroform (Slightly), Methanol (Slightly)
form :clear liquid
pka :4.67±0.10(Predicted)
color :Colorless to Red to Green
Odor :at 10.00 % in propylene glycol. fruity cheese
Odor Type :cheesy
Water Solubility :Slightly soluble in water
JECFA Number :355
BRN :1720987
InChIKey :HVRZYSHVZOELOH-UHFFFAOYSA-N
LogP :1.34
CAS DataBase Reference :1575-74-2(CAS DataBase Reference)
EPA Substance Registry System :4-Pentenoic acid, 2-methyl- (1575-74-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:	P234 Keep only in original container. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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. P310 Immediately call a POISON CENTER or doctor/physician. P390 Absorb spillage to prevent material damage. P405 Store locked up. P406 Store in corrosive resistant/… container with a resistant inner liner. P501 Dispose of contents/container to..…