Alizarin Red [CI 58005] 25G JTBaker
A475-03-25g
| Formula: C14H7NaO7S·1H2O Storage Temperature: ambient |
CAS Number: 130-22-3 EINECS: 204-981-8 |
Specification Test Results
| pH Range (Yellow to Purple-Red) | 3.7 - 5.2 |
| Identity (IR-Spectrum) | Passes Test |
| Insoluble in Wa ter | Passes Test |
| Absorption Maximum λ1 (NaOH 0.1 M) | 592 - 596 |
| Absorption Maximum λ2 (NaOH 0.1 M) | 553 - 558 |
| Absorptivity (A1%/1 cm; λ max. 1, NaOH 0.1 M) | 305 - 480 |
| Absorptivity (A1%/1 cm; λ max. 2, NaOH 0.1 M) | 330 - 520 |
| Related Substances (TLC) | Passes Test |
| Loss on Drying (135 °C) | ≤5.0 |
| Suitability for Microscopy | Passes Test |
| Sensitivity to Alumin ium | Passes Test |
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