Alizarin Red [CI 58005] 25G JTBaker
alj-A475-03

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 WaterPasses 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 MicroscopyPasses Test
Sensitivity to AluminiumPasses Test

Unit Qty: ea

Availability: 2 in stock