235260
Alizarin Red S, Sodium Salt 72+% (Dye content)
Size
£192.00
- SKU:
- 235260
- Molecular Weight:
- 342.26
- Purity:
- ≥72% (Dye content)
- Storage Conditions:
- RT
- Supplier:
- United States Biological
- CAS Number:
- 130-22-3
- Format:
- Brownish yellow powder
- Extra Details:
- 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: 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.
- Shipping Conditions:
- Ambient