Excellent Color Performance – Produces a vivid, transparent blue shade with strong tinting strength, ideal for applications demanding high-quality color effects.
Stable Chemical Structure – Based on an anthraquinone dye structure, Solvent Blue 104 offers reliable chemical stability and consistent performance in use.
High Compatibility with Organic Systems – As a solvent dye, it exhibits good solubility and dispersion in organic media, ensuring uniform coloration.
Versatile Industrial Applicability – Widely used in various coloring applications thanks to its excellent transparency, bright appearance, and stable dyeing properties.
Products Description of Solvent Blue 104 CAS#116-75-6
Solvent Blue 104, chemically named 1,4-bis[(2,4,6-trimethylphenyl)amino]-9,10-anthraquinone, is a solvent dye also sold under trade names including Solvent Blue RBL and Transparent Blue BB.It has a molecular formula of C₃₂H₃₀N₂O₂ and a molecular weight of 474.59, with CAS No. 116-75-6 and EINECS No. 204-155-7.This high-performance solvent dye with stable coloring properties is synthesized from 1,4-dihydroxyanthraquinone and 2,4,6-trimethylaniline via a series of chemical processes: reduction, condensation and oxidation.
Solvent Blue 104 Chemical Properties
Melting point
236.5-237.5 °C
Boiling point
639.5±55.0 °C(Predicted)
density
1.220±0.06 g/cm3(Predicted)
vapor pressure
0-0.001Pa at 20-25℃
storage temp.
Refrigerator, under inert atmosphere
solubility
Chloroform (Slightly)
form
Solid
pka
-0.26±0.20(Predicted)
color
Very Dark Blue to Black
Dissociation constant
0 at 30℃
CAS DataBase Reference
116-75-6(CAS DataBase Reference)
EPA Substance Registry System
C.I. Solvent Blue 104 (116-75-6)
Product Application of Solvent Blue 104 CAS#116-75-6
Solvent Blue 104 (Transparent Blue 2B) is widely employed as a colorant for various plastic materials. Its main applications include packaging products, decorative materials, coatings, inks, and the coloration of polyester and nylon fibers, delivering stable and uniform blue coloring effects.
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