CAS Registry Number: 82347-07-7 Manufacturing Methods: 1. Properties and Applications: Solvent red 218 is a spirit color based on advanced azo-metal complex and dye-salt technology. It shows excellent solubility in various solvents. It is suitable for marker pen-, industrial special-, & inkjet ink, lacquer, varnish and leather coating applications. it offers strong resistance to light and heat. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO General ? 230 Insoluble ? ? 2. Physical and Chemical Properties: Test Items Specification Appearance Brilliant ?pink powder Shade Yellowish / Standard Test Conclusion Tinting Strength 100-105 ?% 102% Shade Similar or Minimal Level Similar Water ≦1.0 0.4 Insolubles ≦1.0 0.25 Heat Resistance 240 °C min Light Fastness 5-6 Acid Resistance 4 Alkali Resistance 5 Water Resistance 5 Density 1.30 g/cm3 esidue on 80 Mesh 5.0% max Water ?Soluble 1.0% max Volatile ?105 °C 1.0% max 3. Solubility: Appearance ? Solubility（g/l） Alcohal 10 1-methoxy-2-propanol 200 N-propanol 10 2-ethoxyethanol 200 M.E.K 200 Ethxy Acetate - Toluene - Heat Stability 150°C 30min A 180°C 10min B 200°C 1min B Light Fasthess 4-5