Molecular Structure:

Product description: Solvent Blue 78/Transparent Blue 2G C .I NO:Solvent Blue 78 CAS NO：2475-44-7 Molecular Formula:C16H14N2O2 Molecular Weight: 266.29 Manufacturing Methods :1,4-Dihydroxyanthracene-9,10-dione under pressure, using aqueous Methanamine and Sodium dithionite or ZINC processing. With leuco 1-Nitrobenzene or hot sulfuric acid in oxidation. Properties and Applications:blue. Dark blue powder. Insoluble in water, soluble in acetone, ethanol, glacial acetic acid, nitrobenzene, pyridine and toluene. In concentrated sulfuric acid for the color red. Mainly used for all kinds of plastic, resin and polyester protoplasmic coloring. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO 6 No change List of Suppliers: Solvent Blue GG Solvent Blue GP Blue 2G Blue GB Oil Blue 1012 Oil Blue 78 Blue K Solvent Blue 78 Blue 2GF Blue GRP Blue SA Blue SE Blue MMA Blue GP Blue EAD Solvent Blue 78 Blue 24616 Blue MMA Physical & Chemical Properties Test items Specification Appearance Dark blue powder Shade Greenish Heat resistance 240 °C min Light fastness 6-7 Acid resistance 4 Alkali resistance 5 Water resistance 5 Density 1.30 g/cm3 Residue on 80 mesh 5.0% max Water soluble 1.0% max Volatite 105 °C 1.0% max Tinting strength 100±2 % Note: The above technical data is only used for reference.The application, use and process of the products provided by our company, are not controlled by our company,we hope that the user should test the goods before mass use to verify whether Suitable for the process and use of your products. Packages: 25kgs/ Bags