Congo Red
CAS: 573-58-0
Category: Azo dye
| Purity | Reagent Grade ≥98%, Analytical Grade ≥99%, Diagnostic Grade ≥97%, Technical Grade ≥95%. |
| Molecular Formula | C32H22N6Na2O6S2 |
| Molecular Weight | 696.66 |
| Appearance | reddish-brown to dark red crystalline powder |
| Packaging | 100g-500g/glass bottle or 25kg/fiber drum. |
| Testing Indicators | Appearance — Visual inspection; Identification — UV (497 nm), Color reaction; Purity — HPLC; Dye content — Spectrophotometry; Heavy metals — ICP-MS; Chloride — Turbidimetry; Microbial limits — Pour plate; Water-insoluble matter — Gravimetry; Sodium — Flame photometry. |
| Storage Notes | Stored in a tightly closed container in a cool, dry, and well-ventilated place, away from incompatible substances. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as a biological stain and an indicator in analytical chemistry, as well as a research chemical for amyloid detection.