Solvent Red 24 (Sudan IV)

1. Product Overview

Solvent Red 24 (Sudan Red B, Oil Red O) is a bright red azo solvent dye, widely used in plastics, printing inks, coatings, and wax products.

• CI Name & No.: Solvent Red 24

• CAS No.: 85-83-6

• Category: Solvent dye (azo type)

• Appearance: Red powder

• Shade: Brilliant red, transparent tone in plastics and inks

• Key Features: High solubility in organic solvents, strong color strength, good migration resistance

2. Technical Specifications

3. Performance & Benefits

• Bright transparent red shade — ideal for transparent plastics & inks

• Good heat resistance — stable up to 220 °C in polymer processing

• Migration resistance — suitable for packaging and molded products

• Versatile applications — plastics, inks, coatings, waxes, soaps

• Cost-effective — widely available and economical for industrial coloring

4. Applications

• Plastics — PS, ABS, PET, PMMA, SAN, PVC

• Printing inks — gravure, flexographic, solvent-based inks

• Coatings — automotive paints, varnishes, industrial coatings

• Waxes & candles — paraffin, stearin candles, crayons

• Soaps & polishes — transparent soaps, wax polishes

  
  

5. Quality & Compliance

• COA provided with every batch (Shade, Strength, Purity, Moisture)

• APEO-free, meets EU restricted azo dye regulations

• Heavy metals controlled within international requirements

• SDS available (English, other languages on request)

6. Packaging & Logistics

• Standard: 25 kg fiber drums / cartons with inner PE bag

• MOQ: 100 kg (trial order) / 1 MT (bulk)

• Delivery: 7–10 days from warehouse

• Shelf life: 24 months (dry, ventilated storage)

• Ports: Tianjin / Qingdao / Shanghai

7. Samples & Support

• Free laboratory samples (10–50 g) available

• Courier freight to be paid by customer (DHL/UPS account)

• Technical support: color matching & application guidance

8. Related Products

• Direct Red FGG (Direct Red 224) – direct dye for cotton & viscose with bright red shades

• Acid Scarlet 3R (Acid Red 18) – acid dye widely used for wool, silk, and nylon

• Acid Scarlet GR (Acid Red 73) – strong acid red dye for leather, paper, and textiles