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Fluorescent Brightener 378 CAS 40470-68-6 Қазақстан
Chemical name:1,1'-biphenyl-4,4'-bis-benzoxazole
Synonymous names:Fluorescent Brightener FP
Optical Brightener FP-127;
C.I.378
CAS No: 40470-68-6
Molecular formula:C30H26O2
Content:≥99.0%
Molecular weight:418.53
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Structural formula:
Product Description:
| Appearance | Solid crystal or powder |
| light yellow green | |
| Fineness (mass fraction of residue passing through 125μm aperture sieve)/% | 1.0 |
| Purity mass fraction (HPLC)% | ≥96.0 |
| melting point | 215-220℃ |
| Maximum absorption wavelength | 360-362nm |
| Maximum reflection | 435-437436nm |
| Mass fraction of water-insoluble matter/% | 1.0 |
Chromatogram：
Properties and Usage:
Fluorescent brightener 378 is an efficient whitening agent, especially suitable for whitening thermoplastics such as polyvinyl chloride and polystyrene. In addition to its use in plastic products, it can add luster and brightness to artificial leather, synthetic leather and printing ink coatings. Its excellent whiteness, excellent color and light properties, and excellent heat and weather resistance make it an ideal choice for a variety of plastic products and coatings. Fluorescent whitening agent 378 has good compatibility with materials such as polyvinyl chloride and polystyrene, and can effectively improve the overall visual effect of the product, making it stand out in the market.
Packaging specifications:
25kg/barrel cardboard drum; dry storage
