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Optical Brightening Agent OB-1 (C.I.393)
Chemical name: 2,2'-(4,4'-diphenol vinyl)dibenzoxazol
Structural formula:
Molecular formula: C28H18N2O2
Molecular weight: 414
Properties: The product is yellow crystal powder .Its melting point is 359°C,It is unsolvde in water , no odor ,having stable
performance and strong fluorescence, its maximum absorption spectrum wave length 374nm, the wave length transmitted by fluorescence being 434nm .
Technical conditions:
Appearance: yellow crystal power
Melting point: ≥359°C
purity: ≥98%
Fineness through: 100 meshes
Use:
It is mainly used in increasing whiteness of original
polyester liquid , especially for in creasing whiteness ofdacron fibre ,cotton , fabric blend ,and also plastic
products.
Package: It is packed in 20Kgs paper board bucket..It can be packed according to the requirement of the user.
Note: 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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