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Optical Brightener OB-1 | 1533-45-5

Optical Brightener OB-1 | 1533-45-5


  • Common Name: Optical Brightener OB-1
  • Other Name: Optical Brightener 393
  • C.I.: 393
  • CAS No.: 1533-45-5
  • EINECS No.: 216-245-3
  • Appearance: Yellowish powder 
  • Molecular Formula: C28H18N2O2
  • Category: Colorant - Pigment - Optical Brightener Agent
  • Brand Name: Colorcom / Cinopal
  • Shelf Life:  2 Years
  • Place of Origin: Zhejiang, China.
  • Product Detail

    Product Tags

    Products Description:

    Optical Brightener OB-1 is a heat resistance and chemically stable fluorescent whitener that increases whiteness and provides brighter looking colors, with yellowish powder appearance and blue-white fluorescence. It has the characteristics of high temperature resistance, pure colour light, strong fluorescence and good whitening effect, and is suitable for the whitening and brightening of polyester, nylon fiber, polypropylene fiber, PVC, ABS, EVA, PP, PS, PC and high temperature molding plastics.

    Application:

    Suitable for all kinds of high temperature molding plastics, including polycarbonates, polyesters, and polyamides(nylon).

    Synonyms:

    Benetex OB-1 HP

    Product Details:

    Product Name

    Optical Brightener OB-1

    C.I.

    393

    CAS NO.

    1533-45-5

    Specific Gravity (20ºC)

    1.39

    Molecular Weight

    414.4

    Appearance

    Yellowish powder

    Melting Range

    350-359℃

    Decomposition Temperature

    >400℃

    Product Advantage:

    1.Brilliant, neutral white cast that compensates for yellowing

    2.Low volatility and excellent heat resistant make the product ideal for use in fibers and in

    engineering plastics processed at high temperatures

    3. In combination with dyes, produces particularly bright shades

    4. Good light fastness

    Packaging:

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


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