optical brightenerKSB(FBA369) CAS 1087737-53-8 - Image 2

optical brightenerKSB(FBA369) CAS 1087737-53-8

CAS:1087737-53-8
MF:C26H18N2O2
MW:390.43
Synonyms:1-[(2-phenoxy-1-naphthyl)diazenyl]-2-naphthol; optical brightenerKSB(FBA369); 2-Naphthalenol, 1-[(1E)-2-(2-phenoxy-1-naphthalenyl)diazenyl

What is optical brightenerKSB(FBA369) CAS 1087737-53-8？

optical brightenerKSB(FBA369) is a yellow-green powder with a blue-white fluorescent color. Maximum absorption wavelength 370nm. optical brightenerKSB(FBA369) has the characteristics of good compatibility, easy precipitation, small amount of addition, good whitening effect, excellent heat and light resistance, and does not react with blowing agents and crosslinkers. optical brightenerKSB(FBA369) is suitable for brightening and brightening polyester fibers and polyester blended fabrics.

Specification

Item	Specification
Melting point	200.5-201.5 °C
Boiling point	606.0±40.0 °C(Predicted)
Density	1.21±0.1 g/cm3(Predicted)
Acidity coefficient (pKa)	11.70±0.50(Predicted)

Application

optical brightenerKSB(FBA369) is suitable for material film, press film molding materials, injection molding materials, etc. Excellent brightening effect on polyolefin, PVC, foamed PVC, TPR, EVA and PU foam, synthetic rubber, etc.optical brightenerKSB(FBA369) can also be used for brightening paint, natural paint, etc. It has special effect on foamed plastics, especially EVA and PE foam.