Xylenol blue
CAS No. : 125-31-5
| Size | Price | Stock |
|---|---|---|
| 100mg | $25 | In-stock |
| 500mg | $50 | In-stock |
| 1g | $70 | In-stock |
| 5g | $140 | In-stock |
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| 50 g | Get quote | |
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| Cat. No. : | HY-D0812 |
| M.Wt: | 410.48 |
| Formula: | C23H22O5S |
| Purity: | >98 % |
| Solubility: | DMSO : 5.83 mg/mL (ultrasonic) |
Xylenol Blue is a sulfonephthalein dye. It exhibits observable color changes in response to variations in pH. Xylenol Blue undergoes two distinct color transitions across two specific pH ranges: an acidic range and an alkaline range. In a neutral solution, Xylenol Blue appears yellow (at pH 8); in a strongly acidic medium, its color shifts to red (at pH 2.8); and in an alkaline medium, the yellow hue transitions to blue (at pH 9.6)[1]. In Vitro:Xylenol Blue serves as an acid-base indicator, appearing yellow in neutral solutions (pH 8); in strongly acidic media, its color shifts to red (pH 2.8); while in alkaline media, the yellow hue transitions to blue (pH 9.6)[1].
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