76-61-9
| Name | Thymol Blue |
| CAS | 76-61-9 |
| EINECS(EC#) | 200-973-3 |
| Molecular Formula | C27H30O5S |
| MDL Number | MFCD00005869 |
| Molecular Weight | 466.59 |
| MOL File | 76-61-9.mol |
Chemical Properties
| Appearance | brown to green powder or crystals |
| Melting point | 221-224 °C (dec.) (lit.) |
| Boiling point | 539.4°C (rough estimate) |
| density | 1.1413 (rough estimate) |
| refractive index | 1.5300 (estimate) |
| Fp | 36 °C |
| storage temp. | Store at RT. |
| solubility | 0.11g/l |
| form | Solid |
| pka | Pka1:1.65(at 25℃)(PH=1.2 to 2.8) Pka2:8.9(at 25℃)(PH=8.0 to 9.6) |
| color | Dark green to dark brown |
| Odor | Characteristic odour |
| PH Range | 1.2(red)-2.8(yellow) 8(yellow)-9.6(blue) |
| Stability: | Stable. Combustible. Dust may form an explosive mixture with air. Incompatible with strong oxidizing agents. |
| Water Solubility | Soluble in alcohol and dilute alkali solutions. Insoluble in water. |
| λmax | 594nm, 376nm, 544nm, 430nm |
| Merck | 14,9400 |
| BRN | 368036 |
| Major Application | Display device, semiconductors, sensors, fuel cells, antimisting coating for glass, toys, corrosion inhibitor, multi-level alert system, correction fluid, textiles, falsification-proof security paper, packaging system, measurement of hydrogen ion concentrationin swimming pool water, humidity-indicating agent, diapers, cosmetics, biostatic materials, determine bacteria growth, psychoactive drugs, antidepressant drugs, dental impression material |