Optical Brightener 184

Optical Brightener 184 is a kind of plastics additives that can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter. Optical Brightener OB mainly used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.

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Product Description

Optical Brightener 184 is a kind of plastics additives that can absorb UV light then emit visible blue light to reduce the yellowish and make the products whiter.

Optical Brightener 184 mainly used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, paint and ink, etc.

Chemical Name 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene
CAS No. 7128-64-5
C.I. No. 184
Structural Formula
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 10kg/25kg per fiber drum

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