| Identification | |
| Name: | 1(3H)-Isobenzofuranone,3,3-bis[4-(phosphonooxy)phenyl]- |
| Synonyms: | Phenolphthaleindiphosphate (6CI); Phenolphthalein, bis(dihydrogen phosphate) (7CI,8CI) |
| CAS: | 2090-82-6 |
| EINECS: | 218-241-7 |
| Molecular Formula: | C20H16 O10 P2 |
| Molecular Weight: | 478.2826 |
| InChI: | InChI=1/C20H16O10P2/c21-19-17-3-1-2-4-18(17)20(28-19,13-5-9-15(10-6-13)29-31(22,23)24)14-7-11-16(12-8-14)30-32(25,26)27/h1-12H,(H2,22,23,24)(H2,25,26,27)/p-4 |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 198 ºC |
| Density: | 1.671 g/cm3 |
| Stability: | Stable under normal temperatures and pressures. |
| Water Solubility: | NEGLIGIBLE |
| Solubility: | 50 mg/ 1 ml- slightly hazy, faint yellow solution |
| Appearance: | White powder |
| Specification: |
Phenolphthalein diphosphate (CAS No.2090-82-6), its synonyms are 1(3H)-Isobenzofuranone, 3,3-bis(4-(phosphonooxy)phenyl)- ; Phenolphthalein, bis(dihydrogen phosphate) . |
| Storage Temperature: | −20°C |
| Safety Data | |
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