The 2-Bromo-4-methylbenzaldehyde with its CAS register number is 824-54-4. It also can be called as 2-Bromo-p-tolualdehyde and the IUPAC name about this chemical is 2-bromo-4-methylbenzaldehyde.

Physical properties about 2-Bromo-4-methylbenzaldehyde are: (1)ACD/LogP: 2.91; (2)#H bond acceptors: 1; (3)#Freely Rotating Bonds: 1; (4)Polar Surface Area: 17.07Ų; (5)Index of Refraction: 1.597; (6)Molar Refractivity: 45.52 cm³; (7)Molar Volume: 133.5 cm³; (8)Polarizability: 18.04x10^-24cm³; (9)Surface Tension: 42.2 dyne/cm; (10)Enthalpy of Vaporization: 49.15 kJ/mol; (11)Vapour Pressure: 0.0176 mmHg at 25°C.

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

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CC1=CC(=C(C=C1)C=O)Br
(2)InChI: InChI=1S/C8H7BrO/c1-6-2-3-7(5-10)8(9)4-6/h2-5H,1H3
(3)InChIKey: MUZMDYCVUCMIDC-UHFFFAOYSA-N