Phenolphthalein 1% alcoholic solution is a chemical indicator widely used in acid-base titrations, turning pink in basic environments.
🏭⚗️ Synthesis
Phenolphthalein is synthesized by reacting phenol compounds with phthalic anhydride in the presence of sulfuric acid, and the 1% alcoholic solution is prepared for laboratory and industrial applications.
🧪 Applications
This solution is mainly used in pH determination tests, especially to identify acidic and basic environments, and is also utilized in pharmaceutical industries and chemical quality control.
⚠️ Safety
Phenolphthalein can be toxic; direct contact with skin and eyes should be avoided, and inhalation or ingestion is dangerous. It should be handled in well-ventilated areas with appropriate protective equipment.