Phenol red (Phenolsulfonphthalein)
Product Overview & Quality
- Product Name: Phenol red (Phenolsulfonphthalein)
- Grade: Analytical Reagent (AR Grade), featuring high purity and precise color transition for biological and clinical laboratory applications.
- Physical Properties: Bright red to dark red or brownish-orange crystalline powder; odorless.
- Solubility: Slightly soluble in water; freely soluble in alcohol and aqueous alkaline solutions.
- Key Use: A popular pH indicator with a transition range of pH 6.8 (Yellow) to 8.4 (Red/Pink). Frequently used in cell culture media.
Safety & Hazards
- Classification: Categorized as an irritant to eyes, skin, and the respiratory tract.
- Health Risks: Direct contact may cause redness and irritation of the skin and eyes. Inhalation of dust may irritate the mucous membranes.
- First Aid Measures: Flush affected eyes or skin with plenty of water. Move to fresh air if dust is inhaled. If swallowed, rinse mouth thoroughly with water.
Handling & Storage
- Storage: Keep in a tightly closed container in a cool, dry place. Protect from direct sunlight and heat to ensure chemical stability.
- Precautions: Wear standard PPE, including chemical-resistant gloves and safety goggles. Handle with care to prevent accidental staining and minimize dust generation.





