Hong Kong,China
Premiumsupplier
- Product Details
Keywords
- Phenolphthalein
- 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
- CAS 77-09-8
Quick Details
- ProName: Phenolphthalein
- CasNo: 77-09-8
- Molecular Formula: C20H14O4
- Appearance: white or pale yellow crystalline powde...
- Application: Pharmaceuticals And Biochemicals - Au...
- DeliveryTime: 3-5 woking days
- PackAge: Conventional packing or as your requir...
- Port: ShenZhen/ ShangHai
- ProductionCapacity: 500 Metric Ton/Month
- Purity: 99.9%
- Storage: ConditionsStore in a cool and dry plac...
- Transportation: Air/Sea transport / Express shipping（F...
- LimitNum: 10 Gram
Superiority
Phenolphthalein (CAS 77-09-8) is a white or pale yellow crystalline powder commonly used as a pH indicator. Its basic structure consists of a phenolphthalein molecule, which is a colorless compound, that undergoes a color change from colorless to pink or red in the presence of a base. This compound is sparingly soluble in water, but soluble in alcohol and ether. It has a melting point of approximately 258-263°C.
Applicable Fields
Phenolphthalein is primarily used as a pH indicator in various laboratory and industrial applications. Its mechanism of action involves a chemical reaction with bases, resulting in a color change that can be visually observed. Some of the main fields of application include:
Details
| CAS No. | 77-09-8 |
| Formula | C20H14O4 |
| Molecular Weight | 318.32276 |
| EINECS | 201-004-7 |
| CID | 4764 |
| Density | 1.299 |
| Boiling Point | 548.7°C at 760 mmHg |
| Melting Point | 258-263℃ |
| Flash Point | 24 °C |