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HomeProductsOptical Brightener OB-1

Optical Brightener OB-1

CAS No. 1533-45-5

Fluorescent brightener OB-1 can be widely used in PVC, PS, ABS, PE, PP and other plastics. It has been widely used in China due to its superior fluorescent whitening effect, good thermal stability and few added amounts. One of the fluorescent whitening agents.

Technical Details

Chemical Name 2,2′-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Benzoxazole, 2,2′-(1,2-ethenediyldi-4,1-phenylene)bis- (1533-45-5)
purity 99.5%
Appearance Light yellow crystalline powder
Melting point ≤360℃
Molecular weight 430
EINECS 216-245-3
CAS 1533-45-5
C.I.NO. C.I.393
Molecular Formula C26H26N2O2S
Use Used for hard plastics such as PVC pipes, profiles and gussets. The weather resistance grade of this product is extremely high,

which can greatly improve the heat resistance, light fastness, oxidation resistance, whiteness, brightness and vividness of PVC pipe,

plastic steel door and window, gusset and gusset angle, etc., so that your product is white. Whiter, brighter and more vivid.

Focus on Optical Brightener Since 1990.

Full Solution for Bright Process
Customizable Formula Based on Your Demand

High purity & Low cost

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