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| CSFC OB-1 |
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| 2,2'-(1,2-Ethenediyldi ?,1-phenylene)bisbenzoxazole |
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| 1533-45-5 |
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As a optical brightener recommended for plastics(PP,ABS,EVA,PS and PC) and fibers(polyester fiber and PP fiber).
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Molecular Formula : C28H18N2O2
Molecular Weight : 414
Yellowish crystalline powder
Assay(HPLC) : 97% min.
Melting point : 356-362℃
Volatile content : 0.5% max
Ash content : 0.2%max
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