The 2-Propenoic acid,3-(2,4-dichlorophenyl)-, (2E)-, with the CAS registry number 20595-45-3, is also known as 2, 4-Dichlorocinnamic acid. It belongs to the product categories of C9; Carbonyl Compounds; Carboxylic Acids. Its EINECS registry number is 214-860-1. This chemical's molecular formula is C₉H₆Cl₂O₂ and molecular weight is 217.05. What's more, both its IUPAC name and systematic name are the same which is called (E)-3-(2,4-Dichlorophenyl)prop-2-enoic acid. It is white to slightly yellow crystalline powder.

Physical properties about 2-Propenoic acid,3-(2,4-dichlorophenyl)-, (2E)- are: (1) ACD/LogP: 3.33; (2) # of Rule of 5 Violations: 0; (3) ACD/LogD (pH 5.5): 1.35; (4) Vapour Pressure: 8.61E-06 mmHg at 25 °C; (5) ACD/BCF (pH 5.5): 2.12; (6) ACD/BCF (pH 7.4): 1; (7) ACD/KOC (pH 5.5): 16.37; (8) ACD/KOC (pH 7.4): 1; (9) #H bond acceptors: 2; (10) #H bond donors: 1; (11) #Freely Rotating Bonds: 2; (12) Polar Surface Area: 26.3 Å²; (13) Index of Refraction: 1.637; (14) Molar Refractivity: 53.49 cm³; (15) Molar Volume: 148.9 cm³; (16) Surface Tension: 54 dyne/cm; (17) Density: 1.457 g/cm³; (18)Flash Point: 171.2 °C; (19) Enthalpy of Vaporization: 63.84 kJ/mol; (20) Boiling Point: 359.4 °C at 760 mmHg; (21) ; (22) Melting Point: 233-235 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: Clc1cc(Cl)ccc1/C=C/C(=O)O
(2) InChI: InChI=1/C9H6Cl2O2/c10-7-3-1-6(8(11)5-7)2-4-9(12)13/h1-5H,(H,12,13)/b4-2+
(3) InChIKey: MEBWABJHRAYGFW-DUXPYHPUBP