Alizarin Red S, Sodium Salt 72+% (Dye content) [130-22-3]
Cat# 235260-250g
Size : 250g
Brand : US Biological
Contact local distributor :
Phone : +1 850 650 7790
235260 Alizarin Red S, Sodium Salt 72+% (Dye content)
Grade
Reagent GradeShipping Temp
RTStorage Temp
RTUsed 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)
Absorptivity:
λmax 595nm (0.1N NaOH): ≥320
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.
Applications
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.
Form
Brownish yellow powder
Purity
≥72% (Dye content)