Solvent Blue 78

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

2475-44-7