Phenolphthalein
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Category：Pharmaceutical Materials Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
CAS Number: 77-09-8
Molecular Formula: C20H14O4
Molecular Weight: 318.32 g/mol
Appearance: White or slightly yellow crystals
Melting Point: 258-263°C
Usage: Mainly used as a pH indicator and a mild laxative in medicine.
| Attribute | Description |
|---|---|
| Name | Phenolphthalein |
| Synonyms | 3.3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone |
| CAS Number | 77-09-8 |
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.33 g/mol |
| Chemical Structure | <img src=”https://example.com/phenolphthalein-structure” /> (Note: Replace with an actual image link) |
| Physical State | White to off-white crystalline powder |
| Melting Point | 258-263°C |
| Solubility | Insoluble in water, soluble in alcohol and alkaline solutions |
| pH Indicator Properties | Colorless in acidic solutions, turns pink in alkaline solutions |
| Applications | Used as a pH indicator in titrations, also found in some laxative preparations |
| Safety Considerations | May have genetic toxicity and potential carcinogenic effects in animals; handle with caution |
| Toxicity | Toxic to mice, with evidence of genetic toxicity and potential carcinogenicity |
| Storage | Store in a cool, dry place, away from direct sunlight and sources of ignition |
| Regulatory Status | May be subject to regulatory restrictions due to its toxicity and potential health hazards |
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