Molecule structure of 3-Hexenoic acid (CAS NO.4219-24-3) :

IUPAC Name: (E)-hex-3-enoic acid 
Molecular Weight: 114.1424 g/mol
Molecular Formula: C₆H₁₀O₂ 
Density: 0.985 g/cm³
Melting Point: 12 deg C 
Boiling Point: 209 °C at 760 mmHg 
Flash Point: 106.4 °C
Index of Refraction: 1.455
Molar Refractivity: 31.46 cm³
Molar Volume: 115.8 cm³
Polarizability: 12.47*10^-24 cm³
Surface Tension: 34 dyne/cm 
Enthalpy of Vaporization: 49.06 kJ/mol
Vapour Pressure: 0.0831 mmHg at 25 °C 
log P (octanol-water): 1.840
Atmospheric OH Rate Constant: 5.87E-11 cm³/molecule-sec
XLogP3-AA: 1.2
H-Bond Donor: 1
H-Bond Acceptor: 2
Rotatable Bond Count: 3
Exact Mass: 114.06808
MonoIsotopic Mass: 114.06808
Topological Polar Surface Area: 37.3
Heavy Atom Count: 8
Complexity: 94.7
Canonical SMILES: CCC=CCC(=O)O
Isomeric SMILES: CC/C=C/CC(=O)O
InChI: InChI=1S/C6H10O2/c1-2-3-4-5-6(7)8/h3-4H,2,5H2,1H3,(H,7,8)/b4-3+
InChIKey: XXHDAWYDNSXJQM-ONEGZZNKSA-N
EINECS: 224-157-1

 3-Hexenoic acid (CAS NO.4219-24-3) is the allowing use of food with spice by GB 2760 1 96.

 3-Hexenoic acid (CAS NO.4219-24-3) is made by the condensation of butyraldehyde formed with malonic acid.

Reported in EPA TSCA Inventory.

Moderately toxic by intraperitoneal and subcutaneous routes. When heated to decomposition it emits acrid smoke and fumes.

 3-Hexenoic acid (CAS NO.4219-24-3) is also called 3-02-00-01321 (Beilstein Handbook Reference) ; BRN 1745294 ;
FEMA No. 3170 ; Hydrosorbic acid ; NSC 26715 .3-Hexenoic acid (CAS NO.4219-24-3) is clear colorless to light yellow liquid. Natural products exist in eggs, fruit and so on.