Product Overview & Quality

Product Name: Phenolphthalein
Grade: Laboratory Grade (Lab Grade), widely used as a pH indicator in acid-base titrations.
Purity (Assay):Not less than 98%
Physical Properties: Odorless, white to yellowish-white fine crystalline powder.
Solubility: Practically insoluble in water; freely soluble in alcohol (ethanol) and acetone.
Key Features: Color transition range is pH $8.2$ – $10.0$ (Colorless in acidic/neutral solutions to Magenta/Pink in alkaline solutions).

Safety & Hazards

Classification: Suspected Carcinogen; may cause genetic defects and damage to fertility. Classified as an irritant.
Health Risks: Direct contact causes eye and skin irritation. If ingested, it acts as a potent laxative and may have systemic toxic effects.
First Aid Measures: Flush affected eyes or skin with plenty of water. Move to fresh air if dust is inhaled. If swallowed, seek immediate medical attention.

Handling & Storage

Storage: Light sensitive; store in a tightly closed, opaque container in a cool, dry place. Keep away from strong oxidizing agents.
Precautions: Wear comprehensive PPE, including chemical-resistant gloves, safety goggles, and a dust mask. Minimize dust generation and avoid long-term exposure due to its carcinogenic potential.