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Optical Brightening Agent OB (C.I. 184)

  • Post Date:

    May 15,2014
  • Expiry Date:

    May 15,2015
  • Detailed Description:

    Cas No. :7128-64-5 Quantity: 50Metric Tons
    Specs:C.I. 184
    Payment Method: L/C, T/T, D/P
     
    Optical Brightening Agent OB (C.I.184)
     
    Chemical name
    2,5-bis-(5-ter-butyl-benzoxazolyl-) thiophene
     
    Structural formula
     
    Molecular formula:
    C26H26N2O2S H9C4
     
    Molecular weight:
    430
    Properties:
    The product is a bright yellow-green crystal powder. Its melting point is 196-203°C, Decomposition temperature is larger than 220°CIts hard to dissolve in water. It dissolves in paraffin fat, miner oil, wax and common organic solovents. The hue of the fluorescent light is blue light. The wave length of the maximum absorptive light is 375nm (ethyl alcohol).
     
    Technical conditions:
     
     
     
     
    Appearance: slight greenish yellow powder
    Melting Point:200-202°C
    Purity:≥99.9%
            
    Fineness: through 100 meshes
     
     
    Use:
     
     
    It is mainly used in thermoplastic ,PVC, PE, PP, PS, ABS, SAN, CA, PA, PMMA, acrylic resin ,polyester fibre, paint, coating, the brightening of prointing ink
     
    Package:
    It is packed in bicorrugated paper box with a liner of plastic bag.
    The net weight of each box is 10 kg .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:

    7128-64-5
  • Synonyms:

    ;Fluorescent Brightener OB;Fluorescent brightening agent 184;Fluorescent Whitening Agent OB;Optical Brightening Agent OB;Fluorescent Brightener 184;C.I. 184;Fluorescent Brightener OB-4;Fluorescent brightening agent 184;Optical Brightner OB;BBOT;C.I. Fluorescent Brightener 362;Uvitex 2B;TINOPAL CBS-X;UVITEX OB;UVITEX(R) 2B;TOSLAB 644820;2,5-BIS(5'-TERT-BUTYL-2'-BENZOXAZOLYL)THIOPHENE;2,5-BIS(5-TERT-BUTYL-2-BENZOXAZOLYL)THIOPHENE;2,5-BIS(5-TERT-BUTYL-BENZOXAZOL-2-YL)THIOPHENE;2,5-BIS(5-TERT-BUTYLBENZOXAZOYL)-2-THIOPHENE;2,5-BIS(5-T-BUTYL-2-BENZOXAZOLYL)THIOPHENE;2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene;
  • Molecular Formula:

    C26H26N2O2S
  • Molecular Weight:

    430.5618
  • Molecular Structure:

    7128-64-5 2,5-Di(5-tert-butylbenzoxazol-2-yl)thiophene
  • Safety Description:

    S24/25:;
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