Trade name
Optical brightening agent PF-3
Chemical name
1.2 di(5-mythyl-benziazolyl)ethylene
C.I.No.
135
CAS.No.
12224-12-3
Molecular Formula
C18H14N2O2
Molecular weight
290
Appearance
Slight yellow crystallized powder
Assay
≥98%
Melting point
188℃~189℃
Applications
Applied to the whitening process of Dacron, acetic fiber, and polyamide fiber, for blends of terylene-cotton, PVC, PS, ABS, PE, PP, mylar. Dosage:0.03%~0.1%