Following is the structure of Benzaldehyde, 2-bromo-5-hydroxy- (CAS NO.2973-80-0):
                  
Empirical Formula: C₇H₅BrO₂
Molecular Weight: 201.0174 
Index of Refraction: 1.657
Molar Refractivity: 42.57 cm³
Molar Volume: 115.7 cm³
Polarizability: 16.87 10^-24cm³
Surface Tension: 56.9 dyne/cm
Density: 1.737 g/cm³
Flash Point: 127.2 °C
Melting point 130-135 °C 
Enthalpy of Vaporization: 54.69 kJ/mol
Boiling Point: 286.7 °C at 760 mmHg
Vapour Pressure: 0.00151 mmHg at 25 °C 
Product Categories of Benzaldehyde, 2-bromo-5-hydroxy- (CAS NO.2973-80-0): API intermediates; Aryl; Halogenated; Organohalides
SMILES: O=Cc1cc(O)ccc1Br
InChI: InChI=1/C7H5BrO2/c8-7-2-1-6(10)3-5(7)4-9/h1-4,10H
InChIKey: SCRQAWQJSSKCFN-UHFFFAOYAR

Hazard Codes of Benzaldehyde, 2-bromo-5-hydroxy- (CAS NO.2973-80-0): Xi,N,Xn
Risk Statements: 36/37/38-50-22
R36/37/38:Irritating to eyes, respiratory system and skin. 
R50:Very toxic to aquatic organisms. 
R22:Harmful if swallowed.
Safety Statements: 26-36/37/39-61
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR UN: 3077
Hazard Note: Irritant

 Benzaldehyde, 2-bromo-5-hydroxy- , its cas register number 2973-80-0. It also can be called 2-Bromo-5-hydroxybenzaldehyde ; and VHR CQ FE [WLN] .