Fluorescent Brightener KS-N
[CAS# 5242-49-9]

Identification

• Classification: Catalysts and additives >> Fluorescent whitening agent
• Name: Fluorescent Brightener KS-N
• Synonyms: 5-Methyl-2,2'-(vinylenedi-p-phenylene)bis-benzoxazole; 4-(2-Benzoxazolyl)-4'-(5-methyl-2-benzoxazolyl)stilbene; 2-[4-[4-(2-Benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole
• Molecular Formula: C₂₉H₂₀N₂O₂
• Molecular Weight: 428.48
• CAS Registry Number: 5242-49-9
• EC Number: 226-044-2
• SMILES: CC1=CC2=C(C=C1)OC(=N2)C3=CC=C(C=C3)/C=C/C4=CC=C(C=C4)C5=NC6=CC=CC=C6O5

Properties

• Density: 1.26

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H317-H319
• Precautionary Statements: P280-P305+P351+P338

Discovory and Applicatios

Fluorescent Brightener KS-N is a chemical substance widely used in the field of fluorescence and color enhancement. This compound is a member of the fluorescent brighteners class, which are specialized dyes designed to absorb ultraviolet light and re-emit it as visible light, thereby enhancing the brightness and appearance of materials. The discovery and development of Fluorescent Brightener KS-N have significantly impacted various industries, particularly those involving textiles, paper, and plastics.

Fluorescent Brightener KS-N was developed to address the need for effective and stable fluorescent agents in a range of applications. It is characterized by its ability to impart a bright, vivid fluorescence under ultraviolet light, which makes it an excellent choice for applications requiring enhanced visual appeal. The compound's chemical structure allows it to absorb UV light and emit visible blue fluorescence, a property that is highly sought after in many industrial and commercial contexts.

One of the primary applications of Fluorescent Brightener KS-N is in the textile industry. When incorporated into textile fibers or fabrics, this brightener enhances the whiteness and brightness of the material. Textiles treated with Fluorescent Brightener KS-N exhibit a noticeable improvement in appearance, as the compound makes the fabric appear cleaner and more vibrant. This property is particularly valuable in the production of white and pastel-colored fabrics, where the brightener helps counteract any yellowing or dullness that may occur over time.

In addition to textiles, Fluorescent Brightener KS-N is widely used in the paper industry. The brightener is added to paper products to improve their whiteness and brightness. This is especially important for high-quality printing papers, where visual appeal is a critical factor. By enhancing the paper's brightness, Fluorescent Brightener KS-N ensures that printed materials have a clean, crisp appearance, which can be important for both aesthetic and functional reasons.

The compound also finds applications in the plastics industry, where it is used to enhance the appearance of plastic products. Plastics treated with Fluorescent Brightener KS-N exhibit improved brightness and color stability. This property is beneficial for various plastic products, including packaging materials, consumer goods, and industrial components. The brightener helps maintain the visual quality of plastic items, ensuring that they remain attractive and consistent in appearance over time.

Another notable application of Fluorescent Brightener KS-N is in the field of security and detection. The compound's fluorescence properties make it useful for various security measures, such as anti-counterfeiting and document verification. By incorporating Fluorescent Brightener KS-N into security inks or materials, manufacturers can create products that are easily identifiable under UV light, adding an extra layer of protection against fraud and forgery.

Fluorescent Brightener KS-N is valued not only for its effectiveness but also for its stability and compatibility with various substrates. Its ability to maintain fluorescence over time, even under harsh conditions, makes it a reliable choice for a wide range of applications. Additionally, the brightener's compatibility with different materials ensures that it can be used in diverse formulations without compromising performance.

In summary, Fluorescent Brightener KS-N is a versatile and valuable chemical substance with a range of applications in textiles, paper, plastics, and security. Its ability to enhance brightness and visual appeal makes it an important tool in industries where appearance and quality are paramount.