Specifications
- CAS No.
- 77-09-8
- Molecular formula
- C₂₀H₁₄O₄
- Molecular weight
- 318.323
- Appearance
- White to pale yellow Powder
- Melting point
- 261-263℃
- Boiling point
- Not available (decomposes)
Product overview
Phenolphthalein is an organic compound commonly used as an acid-base indicator. It is a white to pale yellow crystalline powder that is soluble in organic solvents such as ethanol but slightly soluble in water. In acidic solutions, it is colorless, while in basic solutions, it turns pink to purple.
Key features
- High purity (≥99%) ensuring reliable performance
- Stable chemical properties under normal storage conditions
- Clear color change in acid-base titration, easy to observe
- Low toxicity and safe to handle when following standard procedures
- Standard packaging (25Kg/Drum) suitable for industrial use
Applications
- Acid-base indicator in chemical laboratories and industrial quality control
- Raw material in pharmaceutical industry for certain laxative products
- Component in pH test papers and indicator solutions
- Used in educational experiments to demonstrate acid-base reactions
- Applied in some chemical synthesis processes as a catalyst or intermediate
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Contact
- No. 88 Chemical Industry Park, Shandong, China
- +86 13953312358
- johnson@fengtongchemical.com
- Mon–Fri 08:00–18:00 CST (UTC+8)
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