For manufacturers across various industries, achieving the desired level of whiteness and brightness in their products is paramount. This is where fluorescent brighteners, also known as optical brightening agents (OBAs), play a crucial role. These chemical compounds absorb ultraviolet light and re-emit it as blue light, effectively masking yellowness and enhancing perceived brightness. One such compound gaining traction is Fluorescent Brightener ER-II, identified by its CAS number 13001-38-2. This article aims to guide manufacturers in selecting and utilizing such agents effectively, emphasizing the importance of sourcing from reliable suppliers.

Understanding Fluorescent Brightener ER-II

Fluorescent Brightener ER-II, chemically known as 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene, is a synthetic organic compound valued for its excellent whitening and brightening properties. Its typical applications include textiles, particularly polyester and its blends, as well as artificial leather and coatings. The compound is generally supplied as a pale green to light green solid with a high purity, often exceeding 99%. This high purity is critical for consistent performance and to avoid unwanted side effects in formulations.

Key Considerations for Selection:

  • Application Suitability: The first step is to ensure the brightener is compatible with your specific application. Fluorescent Brightener ER-II is well-suited for polyester-based materials, but manufacturers should verify compatibility with other substrates, processing temperatures, and chemical environments. For instance, when you buy fluorescent brightener ER-II for textiles, confirm its wash fastness and light fastness properties.
  • Purity and Consistency: Always prioritize products from reputable manufacturers and suppliers that guarantee high purity and batch-to-batch consistency. Impurities can lead to variations in performance, color shifts, or even degradation. Sourcing from a trusted fluorescent brightener manufacturer in China or other established regions can mitigate these risks.
  • Cost-Effectiveness: While performance is key, cost is a significant factor for B2B procurement. Obtaining a price for 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene from multiple suppliers allows for negotiation and competitive sourcing. Understanding bulk purchase discounts is also essential for optimizing procurement budgets.
  • Regulatory Compliance and Safety: Ensure the fluorescent brightener complies with relevant industry regulations and safety standards for your target markets. Always review the Safety Data Sheet (SDS) provided by the optical brightener ER-II supplier.

Where to Buy Fluorescent Brightener ER-II

For manufacturers seeking to buy fluorescent brightener ER-II, partnering with experienced chemical companies is crucial. Look for suppliers that offer comprehensive technical support, reliable logistics, and a commitment to quality. Companies specializing in fine chemicals and additives, often based in China, are frequently key players in the global market. When you purchase Fluorescent Brightener ER-II, engage with suppliers who can provide detailed specifications, certificates of analysis, and responsive customer service to ensure your production runs smoothly.

In conclusion, selecting and procuring fluorescent brighteners like ER-II requires careful consideration of application, purity, cost, and supplier reliability. By focusing on these aspects, manufacturers can enhance their product aesthetics and gain a competitive edge in the market.