Product Overview & Quality

Product Name: Phenolphthalein Solution 1%
Grade: Analytical/Laboratory Grade, 1 L pack. Prepared at a precise 1% concentration, ready for immediate use in professional settings.
Physical Properties: Clear, colorless liquid with a slight alcoholic odor.
Visual Transition: Changes from colorless at pH 8.2 to pink/magenta at pH 10.0
Key Use: Primarily used as an indicator for acid-base titrations, especially for strong acid/strong base reactions, and for basicity testing.

Safety & Hazards

Classification: Flammable Liquid (Category 2/3). Causes serious eye irritation.
Health Risks: Vapors may cause drowsiness or dizziness. Phenolphthalein is classified as a suspected carcinogen (Category 2); avoid long-term exposure or ingestion.
First Aid Measures: Flush eyes with plenty of water for at least 15 minutes. Wash affected skin with soap and water. Move to fresh air if vapors are inhaled.

Handling & Storage

Storage: Store in a cool, well-ventilated area in a tightly sealed container. Keep strictly away from heat, sparks, open flames, and hot surfaces. No smoking in storage areas.
Precautions: Wear standard PPE, including chemical-resistant gloves and safety goggles. Keep the bottle tightly closed to prevent solvent evaporation, which can alter the indicator’s concentration.