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Phenolphthalein CAS 77-09-8
o-Phenanthroline CAS 66-71-7
17/12/2018
Coumarin CAS 91-64-5
17/12/2018
| Model: | MOS 77-09-8 |
| Brand Name: | MOSINTER |
| CAS No.: | 77-09-8 |
| Molecular formula: | C20H14O4 |
| Molecular weight: | 318.32 g/mol |
| flash ( ing ) point: | 299.7℃ |
| Vapour pressure: | 7.12E-13mmHg at 25℃ |
| Boiling point: | 548.7°C at 760 mmHg |
| Melting Point: | 258-263℃ |
| Flashing point: | 299.7°C |
| Water solubility: | <0.1 g/100 mL |
| Storage condition: | Stable. Incompatible with strong oxidizing agents, alkalies. |
Phenolphthalein (CAS: 77-09-8)
| Item | Index |
| Appearance | White crystals |
| Melting point ℃ | 258-263 |
| Boiling point | Past test |
| Flash point | Past test |
| Water solubility (g/100 ml) < | 0.1 |
Physical property
phenolphthalein is a white small triclinic crystal and Stability in the air.Insoluble in water and
Insoluble in benzene or hexane, very soluble in ethanol and ether, slightly soluble in DMSO.
Chemical property
Phenolphthalein in acidic solution is colorless and in alkaline solution is amaranth.
Below is showed in alkaline and acidic solutions
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