Fluorescent Brightener 113
[CAS# 12768-92-2]

Identification

• Classification: Catalysts and additives >> Fluorescent whitening agent
• Name: Fluorescent Brightener 113
• Synonyms: disodium;5-[[4-anilino-6-(diethoxyamino)-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-(diethoxyamino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate
• Molecular Formula: C₄₀H₄₂N₁₂Na₂O₁₀S₂
• Molecular Weight: 960.95
• CAS Registry Number: 12768-92-2 (12676-25-4)
• EC Number: 603-225-8
• SMILES: CCON(C1=NC(=NC(=N1)NC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NC4=NC(=NC(=N4)NC5=CC=CC=C5)N(OCC)OCC)S(=O)(=O)[O-])S(=O)(=O)[O-])NC6=CC=CC=C6)OCC.[Na+].[Na+]

Discovery and Applications

Fluorescent Brightener 113, also known as 4,4'-Bis(2-sulfostyryl)diphenyl, is a chemical compound renowned for its utility as a fluorescent whitening agent. This compound is widely used to enhance the brightness and whiteness of various materials by converting ultraviolet light into visible light, resulting in a more vibrant and appealing appearance.

The discovery of Fluorescent Brightener 113 can be attributed to the ongoing research in the field of optical brighteners, which are essential for improving the aesthetics of textiles, papers, and detergents. The compound was developed to address the need for effective whitening agents that could provide superior performance under different lighting conditions. The synthesis of Fluorescent Brightener 113 typically involves the reaction of diphenyl compounds with sulfonated styrene derivatives, yielding a highly fluorescent substance capable of strong light absorption and emission.

In practical applications, Fluorescent Brightener 113 is predominantly used in the textile industry to improve the whiteness and brightness of fabrics. By incorporating this brightener into detergents or textile treatments, manufacturers can achieve a significant enhancement in the visual appeal of garments and other fabric products. The compound's ability to absorb UV light and re-emit it as visible blue light helps counteract the yellowish or dull appearance of textiles, making them look cleaner and more vibrant.

Another major application of Fluorescent Brightener 113 is in the paper industry, where it is used to increase the whiteness of paper products. The addition of this brightener to paper pulp or coatings improves the paper’s brightness and color quality, which is crucial for producing high-quality print materials and packaging. The brightener helps in achieving a consistent and attractive white color, enhancing the visual appeal of printed documents and consumer packaging.

The compound also finds use in detergents and cleaning products, where it enhances the appearance of washed items by making them appear brighter and whiter. Fluorescent Brightener 113 helps to maintain the freshness and aesthetic appeal of clothing and linens, contributing to the overall effectiveness of laundry detergents.

Despite its advantages, handling Fluorescent Brightener 113 requires proper safety measures due to its chemical reactivity and potential environmental impact. Manufacturers must adhere to regulations and guidelines to ensure the safe use and disposal of this brightener in industrial processes.

Overall, Fluorescent Brightener 113 plays a crucial role in various industries by improving the visual quality of textiles, papers, and cleaning products. Its ability to enhance brightness and whiteness underscores its importance in applications requiring high aesthetic standards.

References

2014. Majocchi granuloma. Advantages of optical brightener staining in a case report. Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und verwandte Gebiete, 65(8).
DOI: 10.1007/s00105-014-2796-1

1990. Visualization of chitin-protein layer formation in Ascaris lumbricoides egg-shells. Folia parasitologica, 37(2).
URL: https://pubmed.ncbi.nlm.nih.gov/2332201

1987. Fluorescence microscopy detection of dermatophytes with Blankophor. Tierarztliche Praxis, 15(4).
URL: https://pubmed.ncbi.nlm.nih.gov/3441917