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How to prepare phenolphthalein solution for pH testing?
Jul 3，2026
Phenolphthalein is a kind of pH indicator. Before using, 0.1 g in 100 mL Ethanol (96%). Between pH 8.2~9.8, its color turns from colorless to red-violet.
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Lastest Price from Phenolphthalein manufacturers
Phenolphthalein
2026-09-09
- CAS:
- 77-09-8
- Min. Order:
- 25KG
- Purity:
- 99%
- Supply Ability:
- 2000000 KG
Phenolphthalein
2026-06-18
- CAS:
- 77-09-8
- Min. Order:
- 1KG
- Purity:
- 99%
- Supply Ability:
- 1000kgs