Optical brightener:Product Class Optical Brightening Agent For Plastic Optical brightener:Product Name Optical Brightening Agent OB-1 Optical brightener:Chemical Name 2.2-(4.4-diphenol vinyl) dibenzoxazol Optical brightener:CAS No. 1533-45-5 Optical brightener:C.I. No. 393 Molecular Formula C28H18N2O2 Molecular Weight 414 Technical Index Appearance:yellowish green powder Melting Point:358~360°C Purity:â?¥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
