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Optical Brightening Agent OB-1

Chemical name: 2,2’-(1,2-Ethenediyldi-4, 1-phenylene)bisbenzoxazole

Formula: C28H18N2O2
Molecular Weight: 414.4
C.I. Number: 393
Appearance: greenish yellow powder
Melting Point: 359°C
Purity: ≥98.0%
Application: mainly be used in whitening of polyester and plastic, as well in whitening of Nylon during polymerization.
Packing: 25kg per fiber drum

It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.

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