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Rose welcomes inquiries about the availability of much larger quantities or chemicals that are not yet part of its regular catalog
| Product | Phenol Red Sodium Salt |
|---|---|
| CAS Number | 34487-61-1 |
| Catalog Number | CFI-0718-1 |
| Molecular Formula | C19H13NaO5S |
| Molecular Weight | 376.36 |
| Appearance | Powder |
| Purity | >98% (HPLC) |
| Synonyms | Phenolsulfonephthalien sodium salt |
| Melting point | 285 °C |
| NMR | Consistent with Structure |
| Loss on Drying | 1 % |
| Transition Range, pH 1.2-3.0 | Brownish Orange – Yellow |
| Transition Range, pH 6.5-8.0 | Brownish Orange – Red Violet |
| Absorption Maximum, pH 1.2 | 503 to 506 nm |
| Absorption Maximum, pH 302 | 430 to 435 nm |
| Absorption Maximum, pH 6.5 | 430 to 435 nm |
| Absorption Maximum, pH 8.0 | 557 to 560 nm |
| Absorptivity (Dried), pH 1.2 | 880 to 950 nm |
| Absorptivity (Dried), pH 3.0 | 560 to 620 nm |
| Absorptivity (Dried), pH 6.5 | 560 to 620 nm |
| Absorptivity (Dried), pH 8.0 | 970 to 1100 nm |
| Storage | Store at -20° C, keep dry and protect from light |
| MDL Number | MFCD00066901 |
