Fluorescent brightener CBS-X CAS 27344-41-8 Қазақстан
Chemical name:Disodium 4,4'-bis(2-sulfostyryl)biphenyl
Synonymous names:
Calcofluor CG;
Brightener CBS-X;
C.I351
CAS No: 27344-41-8
Molecular formula:C28H23NaO6S2
Content:≥99.5%
Molecular weight:545
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Structural
Product Description:
Appearance | Odorless solid |
Uniform yellow-green powder | |
Maximum absorption wavelength/nm | 348-350 |
UV absorption | 1105-1180 |
Mass fraction of moisture/% | ≤3.54 |
Density | 1.4 |
Mass fraction of water-insoluble matter/% | 0.5 |
Mass fraction of harmful aromatic amines/(mg/kg) | Standards compliant |
Mass fraction of heavy metal elements/(mg/kg) |
Properties and Usage:
It is a water-soluble fluorescent whitening agent with many excellent properties, making it widely used in detergents, bleaching and dyeing, papermaking and dye industries.
First of all, it has extremely high whitening intensity, which can significantly improve the whiteness and visual effect of the product. It has good resistance to chlorine bleaching and oxygen bleaching, and can maintain a stable whitening effect during the washing process, so that the fabric remains as white as new even after repeated washing. In addition, its wash fastness and wet and dry sun fastness have also been fully verified, ensuring that the fabric maintains a good appearance after long-term use.
Secondly, the CBS-X produced by our company is easy to biodegrade and has outstanding environmental performance, which meets the needs of modern society for environmentally friendly products. During use, it will not cause pollution to the environment and is in line with the concept of sustainable development. It has a wide range of applications and can be used to whiten synthetic detergents, soaps, and soaps. The minimum addition amount can be 0.05%, which can help save production costs.
Packaging specifications:
Packed in a packaging container lined with plastic bags and sealed, the net weight of each piece is 25kg ± 0.2kg, other packaging can be customized.
During transportation, avoid inversion, handle with care, avoid collisions, and do not damage the packaging.
It should be stored in a cool, dry and ventilated place to prevent moisture and heat. Storage period is one year