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Fluorescent brightener BBU CAS 16470-24-9
Chemical name:Fluorescent brightener BBU
Synonymous names:
Fluorescent brightener APC;
C.I.220
PHORWHITE BBU
CAS No: 16470-24-9
Molecular formula:C40H45N12NaO16S4
Content:≥99%
Molecular weight:1101.1
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Appearance:light yellow solid
Structural
Product Description：
| Chemical name | Fluorescent Brightener 220 | |
| Adding amount or dosage | Please consult our company's technical staff | |
| Appearance | solid | liquid |
| Light yellow powder | Orange or red transparent liquid | |
| Fluorescence intensity (score compared with standard) | 97-103 | 34-36 |
| Whitening intensity (in hundreds compared with standard product) | 98-102 | 98-102 |
| Moisture mass fraction/% | 5.0 | * |
| Mass fraction of water-insoluble matter/% | 0.5 | * |
| Fineness (mass fraction of residue passing through 250μm aperture sieve)/% | 10 | * |
| Viscosity (25℃)/m Pa`s | * | 50 |
| Mass fraction of harmful aromatic amines/(mg/kg) | Standards compliant | Standards compliant |
| Mass fraction of heavy metal elements/(mg/kg) | Meet the requirements | Meet the requirements |
Properties and Usage:
Optical brightener 220 is a high-quality optical brightener that is favored for its excellent whitening effect and versatility. It has good water solubility, can dissolve quickly in boiling water, and also has good solubility in cold water, which facilitates the whitening process. It is not affected by hard water and can maintain a stable whitening effect in water containing Ca2+ and Mg2+. In addition, it has the properties of resisting peroxidative bleaching agents and contains reducing agent components, which can effectively resist the effects of bleaching agents.
As a whitening agent, it can be used to whiten cotton fibers and viscose fibers to inject bright whiteness into textiles; it is suitable to be added to whitening printing paste to make printed products more vivid and attractive; it can be used for fluorescent brightening in pulp production. White, improves the whiteness and gloss of paper; used in coating, sizing and other processes to add bright colors to the material surface. It is widely used in textile, papermaking, detergent and other industries to add color to products and enhance quality image.
Packaging specifications:
10kg or 20kg cardboard drum or carton. Can be customized according to customer needs.
