4-Vinylbenzoic acid is an organic compound with the formula C₉H₈O₂, and its systematic name is the same with the product name. With the CAS registry number 1075-49-6, it is also named as 4-Ethenylbenzoic acid. It belongs to the product categories of Carboxylicacid; Styrenes; Aromatics Compounds; Fluorenes, etc. (reagent for high-performance polymer research); Functional Materials; Reagent for High-Performance Polymer Research; Aromatics; Metabolites & Impurities. Its EINECS number is 214-053-4. In addition, the molecular weight is 148.16. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. Moreover, it should be protected from oxides. It is used as a metabolite of 1,4-diethenylbenzene .

Physical properties of 4-Vinylbenzoic are: (1)ACD/LogP: 2.18; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.90; (4)ACD/LogD (pH 7.4): -0.67; (5)ACD/BCF (pH 5.5): 1.42; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 19.37; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 37.3 Å²; (13)Index of Refraction: 1.606; (14)Molar Refractivity: 44.107 cm³; (15)Molar Volume: 127.911 cm³; (16)Polarizability: 17.485×10^-24cm³; (17)Surface Tension: 46.69 dyne/cm; (18)Density: 1.158 g/cm³; (19)Flash Point: 132.833 °C; (20)Enthalpy of Vaporization: 56.052 kJ/mol; (21)Boiling Point: 291.315 °C at 760 mmHg; (22)Vapour Pressure: 0.001 mmHg at 25°C.

Preparation of 4-Vinylbenzoic: this chemical can be prepared by 5-amino-1-(3-chloro-phenyl)-1H-pyrazole-4-carboxylic acid ethyl ester at the temperature of 90 °C. This reaction will need reagents 10% aq. KOH, PdCl₂, PhP(m-C₆H₄SO₃Na)₂ with the reaction time of 3 hours. The yield is about 97%.

Uses of 4-Vinylbenzoic: it can be used to produce 4-ethenyl-benzoyl chloride by heating. It will need reagent SOCl₂ and solvent dimethylformamide with the reaction time of 2.5 hours. The yield is about 76%.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need to wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)c1ccc(\C=C)cc1
(2)Std. InChI: InChI=1S/C9H8O2/c1-2-7-3-5-8(6-4-7)9(10)11/h2-6H,1H2,(H,10,11)
(3)Std. InChIKey: IRQWEODKXLDORP-UHFFFAOYSA-N