peakchem
Fluorescent Brightener  OB-3 (C.I.368)

Chemical Name: 4,4-bis(5-methyl-2-Benzoxoaxol)-Ethylene) 
Molecular Formula: C30H22N2O2
Molecular Weight: 442
Appearance: yellow crystal powder
Assay:99%
Melting Point:275-279’C
Size: 200mesh
Packing:25kg Drum

Fluorescent Brightener OB-3 is suitable for the brightening of polyester, polyamide and polyacrylonitrile fiber,and for the brightening of plastic as well.

 Special Recommending:
 Fluorescent Brightener  CBS    (C.I.351)
 Fluorescent Brightener   PF   (C.I.135)
 Fluorescent Brightener   ER   (C.I.199)
 Fluorescent Brightener-OB   (C.I.184)
 Fluorescent Brightener-OB-1  (C.I.393)
 Fluorescent Brightener-OB-3   (C.I.368)