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Optical Brightener OB | 7128-64-5

Optical Brightener OB | 7128-64-5


  • Common Name: Optical Brightener OB
  • Other Name: Optical Brightener 184
  • C.I.: 184
  • CAS No.: 7128-64-5
  • EINECS No.: 230-426-4
  • Appearance: Yellow powder 
  • Molecular Formula: C26H26N2O2S
  • Category: Colorant - Pigment - Optical Brightener Agent
  • Brand Name: Colorcom / Cinopal
  • Place of Origin: Zhejiang, China.
  • Shelf Life:  2 Years
  • Product Detail

    Product Tags

    Products Description

    Optical Brightener OB is a fluorescent whitening agent with light yellow powder appearance and blue-white fluorescent colour light. It is soluble in alkane, paraffin, mineral oil and organic solvents, with a maximum absorption wavelength of 357 nm and a maximum fluorescence emission wavelength of 435 nm. It has excellent heat resistance, high chemical stability, good light transmission and brilliant bluish whitening effects with good compatibility, and is suitable for the whitening and brightening of PVC, PS, PE, PP, ABS, POM, PMMA and other thermoplastics and thermosetting plastics, paints, inks and coatings.

    Application:

    It can be used in thermoplastics, PVC, polystyrene, polyethylene, polypropylene, ABS and acetate, as well as in varnishes, paints, white magnetic paints and in coatings and inks. It also has a good effect on the whitening of synthetic fibres.

    Synonyms:

    TINOPAL OB CO | BASF

    Product Details:

    Product Name

    Optical Brightener OB

    C.I.

    184

    CAS NO.

    7128-64-5

    Molecular Formula

    C26H26N2O2S

    Moleclar Weight

    430.6

    Appearance

    Yellow powder

    Melting Range

    196-203℃

    Product Advantage:

    1.Brilliant blueish whitening effects

    2.Good compatibility in a wide range of resins

    3.Excellent heat resistance

    4.High chemical stablity

    5.For indoor use only

    Packaging:

    In 25kg drums (cardboard drums), lined with plastic bags or according to customer’s requirements.


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