Chemical Name:2,2'-(Vinylenedi-p-phenylene)bisbenzoxazole
Molecular Formula: C₂₈H₁₈N₂O₂
Molecular Weight: 414
CAS No.: 1533-45-5
Product Description
Fluorescent Brightener OB-1 is a highly effective whitening agent belonging to the benzoxazole chemical class. It is specifically designed to enhance the whiteness and brightness of various materials by absorbing invisible ultraviolet light and re-emitting it as a bright, blue-white visible light, effectively masking yellow tones and creating a visually whiter and brighter appearance.
Application
Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on ABS,PS,HIPS,PA,PC,PP,hard PVC,polyolefin, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.
Storage
Store in a cool, dry place away from direct sunlight.
Appearance: bright yellowish green crystals powder
Purity: 98.5%Min
Melting point: 355～ 360℃
Solubility: insoluble in water,but soluble in high boiling point organic solvent such as phenyl-chloride
Packaging: 25kgs/drum
Pigments
Accelerators
Rubber Antioxidants
Light Stabilizers
Foaming Agents
Plastic Antioxidants
Lubricants
Cellulose Ethers
PVC Heat Stabilizers
Surfactants
Chelating Agents
Optical Brighteners
PVC Processing Aids
Fillers
Coating Additives
Styrene-Acrylic Emulsion
Water-based Coatings 
Building Materials 
Shoe Materials
Plastics
Rubber
Water Treatment
Ultra-light Clay
Daily Chemicals
Oilfield and Lubricant 
Food