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Phenolphthalein Powder
3,3-bis(4-hydoroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(p-Hydroxyphenyl)Phthalide
| Product Size |
100gm/500gm |
Grade |
Laboratory Reagent (LR) |
| Purity |
|
CAS No. |
77-09-8 |
| Molecular Formula |
C20H14O4 |
Molecular Weight |
318.33 |
| H.S. Code |
29322910 |
Shelf Life |
60 months |
Specifications
| Appearance |
White Powder |
| pH Transition range |
|
| pH 8.3 |
colourless |
| pH 10.0 |
Red Violet |
| Melting point |
258 - 261°C |
| Sulphated ash |
Max. 0.05% |
| Chloride (Cl) |
Max. 0.01% |
| Sulphate (SO4) |
Max. 0.01% |
| Loss on drying at 110°C |
Max. 1.0% |
| Sensitivity |
Passes test |
Safety Information and Hazard Symbols
