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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.

77-09-8 Phenolphthalein
77-09-8

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Lastest Price from Phenolphthalein manufacturers

Phenolphthalein
77-09-8 Phenolphthalein
2026-06-18
CAS:
77-09-8
Min. Order:
1KG
Purity:
99%
Supply Ability:
1000kgs
Phenolphthalein
77-09-8 Phenolphthalein
$5.002025-12-29
CAS:
77-09-8
Min. Order:
1KG
Purity:
98%
Supply Ability:
5000kg