Optical Brightening Agent OB-1 Cas:1533-45-5

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Product Name	Optical Brightening Agent OB-1
Alias	2,2”-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole ; 4,4”-BIS(2-BENZOXAZOLYL)STILBENE
English
Molecular formula	C28H18N2O2
Molecular weight	414.45
CAS No	1533-45-5
EINECS	216-245-3
Specification	Content(HPLC) 98.5% min Melting point 352~358℃ Mesh size Pass 200 mesh Ash content 0.3% max Volatile Matter 0.5% max
Appearance traits	Green powder or yellow powder
Use	Used for the whitening of polyester, especially suitable for the whitening of polyester fiber and cotton and other blended fabrics, but also for the whitening of plastic products
Package	25KG/fiber drum
Other product information	Hazard: Not dangerous cargo Molecular Structure:

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