Chemical Name: Sudan II
Molecular Formula: C18H16N2O
Molecular Weight: 276.33
Appearance: Red to orange-brown powder
Assay: 95.0% Min
Sudan II Cas 3118-97-6
Description
Sudan II Quick Details
Chemical Name: Sudan II
Synonyms: Sudan Red II; Solvent Orange 7; Oil Scarlet; 1-(2,4-Dimethylphenylazo)-2-naphthol
Molecular Formula: C18H16N2O
Molecular Weight: 276.33
Appearance: Red to orange-brown powder
Assay: 95.0% Min
Sudan II Specification
| Item | Specifications |
| Appearance | Red to orange-brown powder |
| Assay (Dye Content) | 95.0% Min |
| Melting Point | 156 – 158 C |
| Loss on Drying | 1.0% Max |
| Ash Content | 0.5% Max |
| Solubility (in Toluene) | Clear solution |
Sudan II Applications
Industrial Solvent Dyeing: Primarily utilized as a fat-soluble solvent dye to color non-polar substrates including waxes, oils, fats, petrolatum, paraffin, and various organic solvents.
Plastics and Polymers: Widely applied in the plastics industry for mass coloration of polystyrene, cellulose acetate, and acrylic resins, providing a bright, stable orange-red hue.
Inks and Coatings: Formulated into printing inks, spirit lacquers, wood stains, and decorative coatings where oil solubility and vivid coloration are required.
Polishes and Waxes: Extensively used in consumer chemical production to impart color to shoe polishes, floor waxes, car waxes, and candles without affecting the performance of the wax base.
Sudan II Packaging & Shipping
Standard Packaging: 25 kg fiber drums with inner polyethylene bags, or 25 kg cardboard boxes.
Sudan II Storage
Temperature: Store at room temperature (15 C to 25 C) in a cool, dry environment.