1. The basic information of 3-bromo-4-hydroxybenzaldehyde 

3-bromo-4-hydroxybenzaldehyde is also called Benzaldehyde, 3-bromo-4-hydroxy-. With the CAS No. 2973-78-6, it has the molecular formula of C₇H₅BrO₂ and a molecular weight of 201.02. The chemical structure of 3-bromo-4-hydroxybenzaldehyde is:

The other properties include:
Melting point: 130-135 ºC
Sensitivity: Air Sensitive
log P (octanol-water): 1.83
Water Solubility: 1330 mg/L 25
Vapor Pressure: 5.37E-04 mm Hg
Henry's Law Constant: 5.57E-10 atm-m3/mole
Atmospheric OH Rate Constant: 2.02E-11 cm3/molecule-sec

2. Information of products
Packing: 25kg/bag
Assay: 97%
Appearance: white or light yellow crystalline powder
Usage: food additive
First-Aid Measures: In case of contact, immediately flush eyes with copious amounts of Water for at least 15 minutes.In case of contact, immediately wash skin with soap and copious Amounts of water.If inhaled, remove to fresh air. If not breathing give artificial Respiration. If breathing is difficult, give oxygen.If swallowed, wash out mouth with water provided person is conscious.Call a physician.Wash contaminated clothing before reuse.