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Products

Optical Brightener OB-1(C.I.393)

Product name:Optical  Brightener OB-1
Synonyms: 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole; Fluorescent Brightener OB-1; Fluorescent Brightener 393; 2,2-(4,-4`-Vinyl Biphenyl)Dual Benzoxazole

Appearance:yellowish green granule


CAS No.:1533-45-5
Structural No.: C.I.393
Molecular formula: C28H18N2O2
Structural formula:

Molecular weight: 414.4
Appearance: Yellowish green granule
Melting point:353-359oC
Assay:99% min
Applications:  Optical Brightener OB-1 is the best whitening agent for polymer fiber,and it is also widely used in plastics,such as PP,ABS,PS,HIPS,PA,PC,EVA,rigid PVC etc.

Package: Packed in 25kgs fiber drum with double PE liners, or according to customers' request.