Main Chemical Composition

2,5-Bis(2-benzoxazolyl)thiophene;

Structure

Molecule formuia：

C₁₈H₁₀N₂O₂S

Molecule quantity：

318.35

CAS NO：

2866-43-5

Appearance

yellow greenish powder

Color  shade

bluish 

Purity

≥98%

Melt point        

219～221℃

Property

1. Can be dissolved in most organic solvent,λmax=370nm(in  DMF)
2. Good whitening efficiency and Good stability。 

Application

At present,EBF is a whitening agent(Optical Brightener) with blue white shade commonly used for polyester,acetate triacetate fibers Jinglun,polyvinyl chloride fibers and their blends in all stages of process both at home and abroad due to its fastness.The product can also ued for whitening plastics,coatings etc.It is similar to Uvitex EBF .

Package

Packaged in paper barrels with plastic sack,25kg each.Stored in room  temperature

Note

1. The information of our products is for reference only. We are not responsible for any unexpected results or patent dispute caused by it.
2. Please contact our company if you have any problems in technology or application.