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Optical Brightening Agent OB-1 (C.I. 393)

  • Post Date:

    May 15,2014

  • Expiry Date:

    May 15,2015

  • Detailed Description:

    Cas No. :1533-45-5 Quantity: 50Metric Tons
    Specs:C.I. 393
    Payment Method: T/T, L/C, D/P
     
    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 unsolved 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 creasing whiteness of polyester 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.
     

  • CAS Registry Number:

    1533-45-5

  • Synonyms:

    ;Fluorescent Brightener OB-1;FBA393；2,2'-(4.4'-diphenol vinyl)di-henzoxazol ;2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole;FBA 393;4,4'-bis(benzoxazol-2-yl)stilbene;Optical Brightener OB-1;C.I. 393;Fluorescent whtening agent OB-1;Fluorescent Whitening Agent OB-1;2,2'-(ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole);2,2'-[(E)-ethene-1,2-diyldibenzene-4,1-diyl]bis(1,3-benzoxazole);Optical Brightening Agent OB-1;Optical Brightner OB-1;ptical Brightening Agent OB-1;4,4-Bis(2-Benzoxazolyl) Stilbene;

  • Molecular Formula:

    C28H18N2O2

  • Molecular Weight:

    414.4547

  • Molecular Structure:

    1533-45-5 Fluorescent Brightener 393

  • Safety Description:

    S24/25:;
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