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How to prepare thymol blue solution for pH testing?

Jul 3,2026

Thymol blue is a kind of pH indicator. Before using, add 0.04 g in 100 mL Ethanol (20%) or 0.04 g in 0.86 mL Sodium Hydroxide solution, dilute 0.1 mol/L and fill up to 100 mL with water. Its color changes from red to yellow between pH 1.2 and 2.8, and from yellow to blue between pH 8.0 and 9.6.

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Thymol Blue

76-61-9

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    • 2026-07-03
    • CAS:76-61-9
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    • Thymol Blue
    • 76-61-9 Thymol Blue
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    • 2026-05-28
    • CAS:76-61-9
    • Min. Order: 1KG
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    • Thymol Blue
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    • 2026-05-15
    • CAS:76-61-9
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