Product Overview
Sudan IV, CI 26105
Molecular Formula: C24H20N4O
CAS Number: 85-88-6
Molecular Weight: 380.45
Sudan IV is a lysochrome (fat-soluble dye) diazo dye used for the staining of lipids, triglycerides and lipoproteins on frozen paraffin sections. It has the appearance of reddish brown crystals with melting point 199 DEG C and maximum absorption at 520(357) nm. Ungraded products supplied by ScienceLab are indicative of a grade suitable for general industrial use.
Synonyms: Scarlet Red, Oil Soluble; Solvent Red 24; Biebrich scarlet R fat soluble; Fat Ponceau R or 4; Lipid Crimson; Oil Red IV; Scarlet Red Scharlach; Solvent Red 24; Sudan R or BB
| TEST | SPECIFICATION | RESULTS |
|---|---|---|
| Appearance | Orange to amber to dark red powder to crystal | Deep yellow red powder |
| Absorbance | ≥ 0.780 (10 mg/L, THF, 514.0 - 517.0 nm)(calcd.on dried substance) | 0.785 (516.0 nm) |
| λmax | 514.0 - 517.0 nm (THF) | 516.0 nm |
| Loss on Drying | ≤ 2.5% | 0.8% |
Shipping Information
Tariff No. 32129090
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
