| Identification |
| Name: | 1(3H)-Isobenzofuranone,3,3-bis[4-(phosphonooxy)phenyl]-, sodium salt (1:4) |
| Synonyms: | 1(3H)-Isobenzofuranone,3,3-bis[4-(phosphonooxy)phenyl]-, tetrasodium salt (9CI); Phenolphthalein,bis(dihydrogen phosphate), tetrasodium salt (7CI); Phenolphthalein,diphosphate, tetrasodium salt (6CI) |
| CAS: | 68807-90-9 |
| EINECS: | 272-326-3 |
| Molecular Formula: | C20H16 O10 P2 . 4 Na |
| Molecular Weight: | 602.240442 |
| InChI: | InChI=1S/C20H16O10P2.4Na.2H2O/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);;;;;2*1H2/q;4*+1;;/p-4 |
| Molecular Structure: |
![(C20H16O10P2.4Na) 1(3H)-Isobenzofuranone,3,3-bis[4-(phosphonooxy)phenyl]-, tetrasodium salt (9CI); Phenolphthalein,bis...](https://img1.guidechem.com/chem/e/dict/48/68807-90-9.jpg) |
| Properties |
| Melting Point: | 300ºC |
| Density: | g/cm3 |
| Stability: | Stable. Hygroscopic. Incompatible with strong oxidizing agents. |
| Water Solubility: | Stability Stable. Hygroscopic. Incompatible with strong oxidizing agents. Toxicology Not hazardous according to Directive 67/548/EEC. Toxicity data (The meaning |
| Solubility: | |
| Appearance: | Orange - pink crystalline powder. |
| Storage Temperature: | −20°C |
| Usage: | Biological and ph testing. |
| Safety Data |
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