Thymol Blue (sodium)
CAS No. : 62625-21-2
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| Cat. No. : | HY-D0219A |
| M.Wt: | 488.57 |
| Formula: | C27H29NaO5S |
| Purity: | >98 % |
| Solubility: | DMSO : 6.72 mg/mL (ultrasonic;adjust pH to 4 with 1 M HCL) |
Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6. Quantitative detection is achieved through the absorption peak shift (435 nm/596 nm) of the UV-visible spectrum. Thymol blue sodium can be fixed in a silica gel matrix through sol-gel technology to form a solid-state sensor for in-situ pH measurement in the marine environment and acid-base monitoring in the biomedical field[1][2].
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