Product Name

Optical Brightening Agent OB

Chemical Name

2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene

CAS No.

7128-64-5

C.I. No.

184

Molecular Formula

C₂₆H₂₆N₂O₂N₂

Molecular Weight

430

Technical Index

Appearance:slight greenish yellow powder
Melting Point:200-202°C
Purity:≥99%

Uses

Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.

Pplastics:about 200g per 1000kgs

Packing

25 kg per fiber drum