Spectrum Impex Pvt. Ltd.

Optical Brightening Agent OB1

Chemical name	2.2’-(4.4’-diphenol vinyl) dibenzoxazol
Structural No.	C.i 393
CAS No.	1533-45-5
Structural formula
Molecular formula	C28H18N2O2N2
Molecular weight	414
Appearance	Yellowish green powder
Technical index	Melting Point:357~359°C Purity:≥99.5%
Uses	Mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.
Precaution	The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.
Packing	10Kgs Fiber Drums or 1 Kg Bucket