Optical Brightener Ob-1, CAS: 1533-45-5, Whitening Agent

• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Certification: REACH
• Environmental Protection: Yes
• Color: Light Green Powder
• Model NO.: OB-1
• Kind: Optical Brightener
• Appearance: Powder
• Uses: in Whitening and Brightening PVC, Polystyrene
• Transport Package: 25kgs Fiber Drums Within Double PE Bags
• Specification: 99%
• Trademark: Capatue
• Origin: P. R. China
• HS Code: 32042000
• Production Capacity: 2000ton

Product Description

 OPTICAL BRIGHTENER OB-1

 

Chemical name:2,2-(4,4'- Vinyl Biphenyl) Dual Benzoxazole

CAS    NO. :1533-45-5
C.I.    NO. :393

Molecular formula:C₂₈H₁₈N₂O₂    Molecular weight:414.4

Structural formula: 

 

Appearance:yellowish green powder;

Content(weight)   :  98.0% Min

Melting Point: 353-359ºC;

Fineness  : through 1000 meshes
Solubility : insoluble in water,but soluble in high boiling point organic solvent  such as phenyl-chloride
APPLICATION: in whitening polyester fiber, in whitening and brightening polyester, cotton and other fiber blended fabrics