A brominated form of cresol, a compound used as a pH indicator and disinfectant, where bromine atoms are attached to a methylphenol structure.
From 'bromo-' (bromine) plus 'cresol' (methylphenol from Greek 'kreas' meaning flesh, indicating its antibacterial properties), indicating chemical modification.
Bromocresol is famous in biology labs as a pH indicator—it changes color from yellow to blue depending on acidity, making it indispensable for quick pH testing of solutions without needing electronic equipment.
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