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Fluorescent Brightener Fp-127
Chemical name: 1,1-biphenyl-4,4-bis-benzoxazole
Structural formula:
CI NO,:FLUORESCENT BRIGHTENER 359
CAS NO.:40470-68-6
EC NO.:254-935-6
Molecular formula: C30H26O2
Molecular weight: 418
Properties: The product is yellow -green crystal powder .Its melting point is 353°C,insolvde in water,no odor ,stable property and strong fluorescence, its maximum absorption wavelength is 374nm,the fluorescence emission wavelength is 434nm .
Technical conditions:
Appearance: yellow -green crystal power
Chromatic light: bright-colored blue with white light (similar to the standard product)
Melting point: 216-222°C
Content: ≥99%
Volatility: ≤0.5%
Ash content: ≤0.1%
Fineness : through 100 meshes
Use: It is an excellent optical brightener and widely used for plastic,synthetic detergent,printing,dying and man-made fibre.
Package: 10-25KG cardboard drum lined with double plastic bags or according to the requirement of the users.
