Chemical name: 1,4-bis(benzoxazolyl-2-yl)naphthalene
C.I.:367
CAS NO.: 5089-22-5/63310-10-1
Technical data:
Appearance: yellowish-green crystal powder
Content: ≥99.0%
Melting point: 210-212℃
Molecular formula: C24H14N2O2
Molecular weight: 362
Optical brightener KCB is one of the best products among many fluorescent whitening agents. Strong whitening effect, bright blue and bright color, it has good heat resistance, weather resistance and chemical stability. It is mainly used for the whitening of plastic and synthetic fiber products, and it also has obvious brightening effect on non-ferrous plastic products. It is also widely used in ethylene/vinyl acetate (EVA) copolymers, which is an excellent variety of optical brighteners in sports shoes.
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