In the realm of polymer science and manufacturing, the degradation of plastics and coatings due to UV radiation and oxidative processes is a constant concern. Hindered Amine Light Stabilizers (HALS) are a class of additives specifically designed to combat these issues, significantly extending the lifespan and preserving the properties of polymer materials. The effectiveness and broad applicability of HALS in sectors ranging from automotive to construction have made them indispensable in modern material science.
At the core of HALS production are critical chemical intermediates, and among the most important is 4-Hydroxy-TEMPO (CAS 2226-96-2). This versatile compound serves as a foundational building block for many high-performance HALS structures. Its unique chemical properties allow for efficient synthesis pathways, enabling manufacturers to produce stabilizers that offer superior light and thermal stability to a wide array of polymers. As a leading manufacturer and supplier of specialty chemicals, we recognize the strategic importance of providing high-purity 4-Hydroxy-TEMPO to the global HALS industry.
For R&D scientists and product formulators in the polymer additives sector, sourcing reliable chemical intermediates is crucial for consistent product quality and innovation. Our commitment as a China-based supplier is to offer 4-Hydroxy-TEMPO that meets rigorous specifications, ensuring that the downstream HALS products exhibit optimal performance. This includes excellent UV absorption, radical scavenging capabilities, and thermal stability. The ability to purchase this intermediate at competitive prices from a trusted manufacturer facilitates cost-effective production of advanced polymer stabilization systems.
The synthesis of HALS often involves multi-step chemical reactions where the purity and consistency of the starting materials, like 4-Hydroxy-TEMPO, directly impact the final product's efficacy. By choosing us as your supplier, you gain access to a chemical intermediate that is manufactured under strict quality control, guaranteeing its suitability for complex synthesis processes. We are dedicated to supporting the polymer industry by providing the essential building blocks for creating more durable and long-lasting materials. For inquiries on bulk orders or specific technical requirements, please reach out to our sales team.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.