optical brightener KCB 367

optical brightener KCB 367

Chemical name: 1.4 - two (benzoxazole -2- base) naphthalene
Molecular formula: C24H14O2N2
Molecular weight: 362
CAS:5089-22-5
Properties: Yellow-green crystalline powder, bright blue color, melting point 212 C, insoluble in water, maximum absorption wavelength is 370 mm.
Technical conditions:
Standard: HG/T 5097-2016
Appearance: yellow green powder
Chromatic light: bright blue light
Melting point: 210 ~ 212 C
Solid content: greater than or equal to 98%
Fineness: through 100 mesh
Ultraviolet absorption: more than 500
Volatile: less than 0.5%
Ash: less than 0.5%
Use:
Bleaching agent KCB, mainly used for EVA foaming, shoes, synthetic fibers and plastics whitening, can be used for plastics Pu film, molding materials, injection molding materials whitening, but also can be used for polyester fiber, dyes, natural paint whitening.
Packaging and storage: 25 kilograms cardboard drum packaging; in a cool, dry place to avoid light preservation.

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