Name: 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
CAS: 1533-45-5
Assay: ≥98.5%
Appearance: Bright yellow crystal powder
Capacity: 500mt/year
Min.package: 1gram
Application: Used for whitening polyester raw liquid, especially for whitening polyester fiber, and whitening terylene, cotton and other blended fabrics. Also used for whitening plastic products
Standard: Enterprise export
Manufacturer: Jinan Finer Chemical Co., Ltd

Synonyms: Optical Whitener OB-1
                   Fluorescent Brightener OB-1
                   Optical Whitener 393
                   2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole;
                   2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole
Molecular Formula: C28H18N2O2
Molecular Weight: 414.46
CAS Registry Number: 1533-45-5
EINECS: 216-245-3
Melting point : 350-361℃