Phenolphthalein diphosphate
- CAS NO.：2090-82-6
- Empirical Formula: C20H16O10P2
- Molecular Weight: 478.28
- MDL number: MFCD00066370
- EINECS: 218-241-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Phenolphthalein diphosphate?
Chemical properties
SLIGHTLY YELLOW FINE CRYSTALLINE POWDER
Enzyme inhibitor
This water-soluble reagent (FW = 491.26 g/mol), also known as phenolphthalein diphosphate and phenolphthalein phosphate, is an alternative substrate for phosphomonoesterases (e.g., alkaline phosphatase), as is the monophosphate. Hydrolysis of the phosphate group generates free phenolphthalein which is red in alkaline conditions. Target(s): inositol 1,4,5-trisphosphate receptors, weakly inhibited; phosphoprotein phosphatase.
Properties of Phenolphthalein diphosphate
| Melting point: | 198 °C |
| Boiling point: | 762.1±70.0 °C(Predicted) |
| Density | 1.671±0.06 g/cm3(Predicted) |
| storage temp. | −20°C |
| form | solid |
| pka | 0.88±0.30(Predicted) |
| Water Solubility | NEGLIGIBLE |
| CAS DataBase Reference | 2090-82-6 |
| EPA Substance Registry System | 1(3H)-Isobenzofuranone, 3,3-bis[4-(phosphonooxy)phenyl]- (2090-82-6) |
Safety information for Phenolphthalein diphosphate
Computed Descriptors for Phenolphthalein diphosphate
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