Overview
Fast Red Violet LB Base, commonly known as Para Red, is a synthetic azo dye widely used in industrial applications. It belongs to the family of azo dyes, which are known for their vibrant colors and durability. This dye is particularly valued for its red to violet hue and is extensively used in textiles, inks, and coatings. First synthesized in the late 19th century, Para Red has become a staple in the dye industry due to its cost-effectiveness and performance. Its chemical stability and resistance to fading make it a preferred choice for applications requiring long-lasting color.
Physical and Chemical Properties
Fast Red Violet LB Base is a red to violet powder with a molecular weight of 293.28 g/mol. Its molecular formula, C16H11N3O3, reflects its azo-based structure, which is responsible for its vivid color. The dye is soluble in organic solvents but insoluble in water, making it suitable for non-aqueous applications. The melting point of Para Red is approximately 200°C, and it exhibits high color strength and good lightfastness. These properties ensure that the dye retains its vibrancy even under prolonged exposure to light and harsh environmental conditions.
Main Applications
The primary use of Fast Red Violet LB Base is in the textile industry, where it is employed for dyeing fabrics and fibers. Its vibrant color and resistance to fading make it ideal for producing long-lasting textiles. Additionally, the dye is used in printing inks, providing rich and consistent colors for various printing applications. In the coatings and plastics industries, Para Red is utilized to impart color to products. Its stability and compatibility with various substrates make it a versatile choice for manufacturers. The dye is also used in some specialty applications, such as coloring paper and leather.
Safety and Storage
Handling Fast Red Violet LB Base requires caution due to its potential health hazards. It is advisable to use gloves, protective clothing, and eye protection when working with the dye. Avoid inhalation and skin contact, as it may cause irritation or allergic reactions. Storage conditions are critical to maintaining the dye's quality. It should be kept in a cool, dry place away from direct sunlight and moisture. Properly sealed containers are recommended to prevent contamination and degradation of the product.
B2B Procurement Guide
When procuring Fast Red Violet LB Base, buyers should verify the CAS number (6410-10-2) and purity specifications to ensure they are getting the correct product. It is essential to request a Material Safety Data Sheet (MSDS) from the supplier to understand the handling and safety requirements. The reference price range for Para Red is approximately $20-$50 per kg, depending on the purity and quantity purchased. Buyers should also consider the supplier's reputation, delivery timelines, and compliance with regulatory standards when making a purchase decision.
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