| Message: | Product Class: Optical Brightening Agent For Plastic
Product Name: Optical Brightening Agent OB-1
Chemical Name: 2.2’-(4.4’-diphenol vinyl) dibenzoxazol
CAS No.: 1533-45-5
C.I. No.: 393
Structural Formula: 
Molecular Formula: C28H18N2O2
Molecular Weight: 414
Technical Index: Appearance: yellowish green powder 
Melting Point:358~360°C 
Purity:≥99%
Uses	: Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.
Package: 10kg or 25kg per fiber drum |