Alizarin Red S, Sodium Salt 72+% (Dye content), CAS [[130-22-3]]

Catalog Number: USB-235260
Article Name: Alizarin Red S, Sodium Salt 72+% (Dye content), CAS [[130-22-3]]
Biozol Catalog Number: USB-235260
Supplier Catalog Number: 235260
Alternative Catalog Number: USB-235260-25,USB-235260-100,USB-235260-250,USB-235260-1
Manufacturer: US Biological
Category: Biochemikalien
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) Absorptivity: lambdamax 595nm (0.1N NaOH): 320 lambdamax 556nm (0.1N NaOH): 350 Loss on Drying (110C): 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.
Molecular Weight: 342.26
Purity: 72% (Dye content)
Form: Brownish yellow powder
CAS Number: [130-22-3]