Alizarin Red S, Sodium Salt 72+% (Dye content)
Cat# 235260-25g
Size : 25g
Brand : US Biological
Grade
Reagent GradeShipping Temp
RTStorage Temp
RT3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt|CI 58005
Used in the biochemical assay to determine the presence of calcium.
Synonyms:
3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid sodium salt CI 58005
CAS No:
130-22-3
Molecular Formula:
C14H7O7SNa
Molecular Weight:
342.26
Purity:
≥72% (Dye content)
Appearance:
Brownish yellow powder
Visual Transition Range:
pH 4.3 (Brilliant yellow) to pH 6.3 (Pink)
pH 9.4 (Brown orange) to pH 12.0 (Violet)
pH 9.4 (Brown orange) to pH 12.0 (Violet)
Absorptivity:
λmax 595nm (0.1N NaOH): ≥320
λmax 556nm (0.1N NaOH): ≥350
λmax 556nm (0.1N NaOH): ≥350
Loss on Drying (110°C):
≤5%
Solubility (1mg/ml in H2O):
Clear solution
Storage and Stability:
Powder may be stored at RT. Stable for 12 months at RT after receipt.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Toxicity and Hazards
All products should be handled by qualified personnel only, trained in laboratory procedures.