In the specialized field of chemical intermediates and additives, understanding the precise role and properties of each compound is vital for product development and manufacturing. For those involved in the thermal paper industry, CAS number 232938-43-1, known as 3-(3-tosylureido)phenyl 4-methylbenzenesulfonate, represents a significant advancement in color developer technology. As a leading chemical manufacturer and supplier in China, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing detailed information about such critical materials.

This compound, also referred to by trade names like Pergafast 201 or SW-201, is a proprietary color developer recognized for its efficacy in thermal print papers. Its molecular formula, C21H20N2O6S2, and molecular weight of approximately 460.52 g/mol highlight its complex structure. The key advantage of CAS 232938-43-1 lies in its non-phenolic nature, positioning it as a superior alternative to traditional BPA-based developers. This makes it an attractive option for companies aiming to produce safer, BPA-free thermal paper products that meet evolving market demands and regulatory standards.

The specifications for this chemical developer are crucial for procurement managers and R&D scientists. Typically, it is supplied as a white to off-white powder with an assay purity of ≥96.5% by HPLC. The melting point range, often between 159-172°C, further indicates its quality and consistency. Its stability and performance characteristics as a developer are well-documented, making it a reliable component in thermal paper coatings. For businesses looking to buy this essential chemical, partnering with a reputable manufacturer like us ensures access to detailed product documentation, including Certificates of Analysis (COA), and a stable supply chain.

When considering the purchase of CAS 232938-43-1, understanding the benefits of sourcing from an established supplier is key. Our commitment as a manufacturer in China means we can offer competitive pricing and consistent quality, backed by robust technical support. We aim to be more than just a supplier; we strive to be a partner in your product innovation. If you are seeking a reliable source for high-purity 3-(3-tosylureido)phenyl 4-methylbenzenesulfonate, we encourage you to reach out for a quote and to discuss your specific requirements.