Plasticizer and Coating Intermediates
Optical Brightener OB-1

Product Name

Optical Brightener OB-1

Molecular Structure

Other Name

Fluorescent Brightener OB-1;
4,4'-Bis(2-Benzoxazolyl)Stilbene

CAS No

1533-45-5

Molecular Formula

C28H18O2N2

 

Check-Point

Specification

Appearance

bright yellow green crystalline powder

Purity

≥98.5%

Melting Point

355-360℃

Loss On Drying

≤0.5%

Packing:25kg fibre drum
Product Usage: In whitening polyester fiber, in whitening and brightening polyester, cotton and other fiber blended fabrics.

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