The Molecular Structure of 3,5-DifluoroPhenylboronic acid (CAS NO.156545-07-2):

Empirical Formula: C₆H₅BF₂O₂
Molecular Weight: 157.9105 
Appearance: White to beige-yellowish powder
Nominal Mass: 158 Da
Average Mass: 157.9105 Da
Monoisotopic Mass: 158.035067 Da 
Index of Refraction: 1.485
Molar Refractivity: 33.51 cm³
Molar Volume: 116.7 cm³
Surface Tension: 36.1 dyne/cm
Density: 1.35 g/cm³
Flash Point: 115.2 °C
Enthalpy of Vaporization: 53.34 kJ/mol
Boiling Point: 266.9°C at 760 mmHg
Melting Point: 210-217 °C
Vapour Pressure: 0.00418 mmHg at 25°C 
Product Categories: Fluorin-contained phenyl boronic acid series;HALIDE;blocks;BoronicAcids;FluoroCompounds;Substituted Boronic Acids;Boronic Acid;Aryl;Organoborons;B (Classes of Boron Compounds);Boronic Acids;Boronic Acids;Boronic Acids and Derivatives

 3,5-DifluoroPhenylboronic acid (CAS NO.156545-07-2) is used as intermediates of liquid crystals.

Risk Statements: R36/37/38:Irritating to eyes, respiratory system and skin.;
Safety Statements: S26:In case of contact with eyes, rinse immediately with plenty of WATER and seek medical advice.;
                              S37/39:Wear suitable gloves and eye/face protection.;
Hazard Codes: XiXnF
WGK Germany: 3
Hazard Note: Irritant

 3,5-DifluoroPhenylboronic acid (CAS NO.156545-07-2) is also called as 3,5-Difluorobenzeneboronic acid ; Boronic acid, (3,5-difluorophenyl)- (9ci) ; 3,5-Difluorobenzeneboronic acid 98% ; 3,5-Difluorobenzeneboronicacid98% ; 3,5-Difluorophenylboronic acid 98% .