Fluorescent Dye for Plastics | Solvent Red 149 | Ranbar Fluorescent Red 4B

Name: Fluorescent Red Dye

Index No.: Solvent Red 149

Model: Fluorescent Red 4B

CAS No.: 21295-57-8/71902-18-6

EINECS No.: 244-320-0

Molecular formula: C23H22N2O2

Molecular weight: 358.43

Chemical structure: Pyridine anthrone

Hue/color light: brilliant blue phase fluorescent red (rose red)

Appearance and properties: red powder

Performance parameters:

Coloring intensity	100±1%
Melting point	267°C
Thermal decomposition	＞300°C
Density	1.35g/cm³
Bulk density	0.50g/cm³
PH value	7.0-8.0
Water content	≤0.5%
Lightfastness	7-8 grade
Temperature resistance	280-300℃

Tips: Due to the high concentration of dyestuff, the color of the dye color powder differs greatly from the actual coloring color, the actual coloring color can refer to the color card, and the actual application to show the effect shall prevail.

Product Description:
Ranbar Fluorescent Red 4B is a highly transparent rosy red pyridine anthrone fluorescent dye color powder, solvent red 149, with a bright blue-red hue, high transparency, and strong coloring power, it has good light resistance, migration resistance, solvent resistance, and excellent heat resistance stability.

Rumba Red 4B fluorescent dye has a brilliant fluorescent effect in daylight, mainly used in various hard rubber plastics and thermoplastic resin coloring, it can meet the needs of engineering plastics synthetic fiber coloring, is recommended for nylon PA, PS, SAN, rigid PVC, ABS, AS, PMMA, PC, PET, PBT, PA6 and PA66, polyester fiber, etc.