| Customization: | Available |
|---|---|
| CAS No.: | 125-20-2 |
| Formula: | C28h30o4 |
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PH indicator Thymolphthalein with 99.5% purity cas 125-20-2
| Thymolphthalein Basic information | |
| Product Name: | Thymolphthalein |
| CAS: | 125-20-2 |
| MF: | C28H30O4 |
| MW: | 430.54 |
| EINECS: | 204-729-7 |
| Thymolphthalein Chemical Properties | |
| Melting point | 251-253 °C(lit.) |
| Boiling point | 504.79°C (rough estimate) |
| density | 0.92 g/mL at 25 °C |
| refractive index | 1.6400 (estimate) |
| Fp | 74 °F |
| storage temp. | Store at RT. |
| solubility | ethanol: clarity passes test |
| form | Low Melting Mass |
| pka | 9.70, 10.0(at 25ºC) |
| Specific Gravity | 0.92 |
| color | White to slightly yellow |
| Odor | Mild characteristic odor |
| PH | 8.6~10.5 |
| PH Range | 9.3(colourless)-10.5(blue) |
| explosive limit | 3.30-19% |
| Water Solubility | insoluble |
| λmax | 592nm, 396nm, 598nm |
| Merck | 149,401 |
| BRN | 359413 |
| InChIKey | GRBHJPCWQRVGND-UHFFFAOYSA-N |
| CAS DataBase Reference | 125-20-2(CAS DataBase Reference) |
| EPA Substance Registry System | Thymolphthalein (125-20-2) |
| Item Name | Requirements | Results |
| PH Change range | 9.3(Colorless)-10.5(Blue) | 9.3(Colorless)-10.5(Blue) |
| Solubility in alcohol, | Pass test | Pass test |
| Sulfated ash,≤% | 0.1 | 0.08 |
| Solubility | Qualified | Qualified |
| Melting range °C | 251.0-255.0 | 251.0-255.0 |
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