Alizarin Red S, Sodium Salt 72+% (Dye content)
Cat# 235260-100g
Size : 100g
Brand : US Biological
235260 Alizarin Red S, Sodium Salt 72+% (Dye content)
Clone Type
PolyclonalGrade
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)