Chemical Name: Fluorescent Brightener OB-2
Synonyms: 4,4′-Bis(5-methyl-2-benzoxazolyl)stilbene; 2,2′-(Vinylenedi-p-phenylene)bis[5-methylbenzoxazole]
CAS No.: 2397-00-4
Molecular Fomula: C30H22N2O2
Molecular weight: 442.51
Appearance: Yellow green powder
Assay: ≥98.0%
Fluorescent Brightener OB-2 Quick Details
Chemical Name: Fluorescent Brightener OB-2
Synonyms: 4,4′-Bis(5-methyl-2-benzoxazolyl)stilbene; 2,2′-(Vinylenedi-p-phenylene)bis[5-methylbenzoxazole]
CAS No.: 2397-00-4
Molecular Fomula: C30H22N2O2
Chemical Structure: 
Molecular weight: 442.51
Appearance: Yellow green powder
Assay: ≥98.0%
Fluorescent Brightener 135 Typical Properties
| ITEMS | SPECIFICATION |
| Density | 1.242±0.06 g/cm3 |
| Boiling point | 590.9±39.0 °C at 760 mmHg |
| Melt point | 278-280 °C |
Fluorescent Brightener OB-2 application:
This product is mainly used for whitening plastics such as ABS, PS, HIPS, PA, PP, EVA and rigid PVC.
Fluorescent Brightener OB-2 Packaging and Shipping
customized according to customer needs.
Fluorescent Brightener OB-2 Storage
It should be stored in a clean, dry and cool place, preventing from sunlight, rain.
