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Name：fluorescent whitening agent-plastic fluorescent whitening agent CAS NO.：

Product name

fluorescent whitening agentOB

Chemical name

2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene

CAS No.:

7128-64-5

Molecular formula:

C₂₆H₂₆N₂O₂S

Molecular weight:

430

C.I. No.:

184

Structural formula

Main component

2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene

Performances and features

Small dosage, high whitening strength;
Wide application range;
Excellent consistency with plastic, fine high temperature resistance, and excellent weather fastness;

Scope of application

For whitening of plastics, such as, polyolefin, polyamide and polyacrylonitrile;

Widely applied in extrusion materials and film;

Packaging and storage

1kg iron tank ×12 paper box, lined with plastic bag or on requirement, in cool and dry place。

Technical index

appearance	light yellow powder
coloured light	blue white
purity	≥99%
melting point	200~202℃
fineness	higher than 100 mesh

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