Sinophor® OB / Optical brightener OB CAS 7128-64-5

Optical brightener OB Quick Details

Chemical Name: Optical brightener OB

Other Name: Fluorescent Brightener 184 ; uvitex OB

CAS: 7128-64-5

Molecular Formula: C26H26N2O2S

Molecular Weight: 430.56

Optical brightener OB Structure:

Optical brightener OB Structure

Appearance: Yellow greenish powder

Assay: 99%


Optical brightener OB Typical Properties

Item Specifications
Appearance Slight greenish yellow powder
Content (HPLC) ≧98%
Melting point 198~203℃
Ash content ≦0.5%
Volatile matter ≦0.5%

What is the difference between Optical brightener OB and Optical brightener OB-1?

Optical brightener OB and Optical brightener OB-1 are completely different chemicals, You can click the link above to see the differences.

Optical brightener OB Usage

For thermoplastics, polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS), acrylonitrile/butadiene/styrene (ABS), styrene/propylene Nitrile copolymer (SAN), styrene/butadiene copolymer (SB), cellulose acetate (CA), polyamide (PA), polymethyl methacrylate (PMMA), acrylic resin, polyester fiber ( PET), whitening of paints, coatings and inks.

Optical brightener OBPackaging



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