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Fluorescent Brightener Kcb
Chemical name: 1.4-bis(benziazolyl-2-yl-)naphth-alene
Structural formula:
C.I. NO.:FLUORESCENT BRIGHTENER 367
CAS NO.:5089-22-5
EC NO.:225-803-5
Molecular formula:C24H14N2O2
Molecular weight: 362
Properties: The product is yellow-green crystal powder,bright -colored blue with white light .Its melting point is 212°C,insoluble in water .The maximum absorption wavelength is 370nm.
Technical conditions:
Appearance: yellow-green crystal power
Chromatic light: bright-colored blue with white light (similar to the standard product)
Melting point: 210-212°C
Content of solid: ≥99.5%
Fineness : through 100 meshes
Use: It is mainly used in whitening of synthetic fibers,plastics,plastic film,molding materials,injection molding materials.It can also used for whitening of polyester fibers as well as dyes and natural paint.
Package:
10-25KG cardboard drum lined with double plastic bags or according to the requirement of the users.
