Optical Brightener OB-1 chemical name

Optical Brightener OB-1 chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol Application:
>Features: Brilliant, neutral white cast that compensates for yellowing; Low volatility and excellent heat resistant make the product ideal for use in fibers and in engineering plastics processed at high temperatures; Good light fastness;

Specification: 
Appearance yellowish or greenish powder
Melting point 357-359℃
Solubility (g/100 g solution) at 20° C:
Acetone ＜0.1
Chloroform ＜0.1
Hexane ＜0.1
Methanol ＜0.1
Water ＜0.1

>optical brightener OB-1 is excellent oxazole type brightener, Mainly used in whitening of polyester and ABS, PS, HIPS, PA, PC, PP, EVA, rigid PVC etc., also used as nylon fluorescent brightener.

>Recommended concentrations：0.005-0.2% depend on the application and degree of desired whiteness.

Optical Brightener OB-1 chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol Handing and Safety: 
>FDA cleared for use in all polymers

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.

Optical Brightener OB-1 chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol Package:
25kg per fiber drum with PE liner, 6*2 layer 12 drum per pallet, 5 CBM per ton,or according to customers’ requirements for Optical Brightener OB-1 chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol

Formula of Optical Brightener OB-1 with chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol: C28H18N2O2  
MW of Optical Brightener OB-1 with chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol: 414
CAS# of Optical Brightener OB-1 with chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol : 1533-45-5

Synonym name of Optical Brightener OB-1 with chemical name 2.2’-(4.4’-diphenol vinyl) dibenzoxazol : Optical Brightener 393 (FB 393 ) , C.I.393,  Optical Brightener OB-1