Understanding the detailed properties and applications of chemical reagents is fundamental for scientists and purchasing professionals. Semixylenol Orange (CAS: 19329-67-0) is one such compound that serves a critical function as a metallochromic indicator in analytical chemistry. This article provides a comprehensive overview of its characteristics, uses, and how to effectively procure it from reliable sources.

Semixylenol Orange is characterized by its ability to form colored complexes with various metal ions, making it an excellent choice for complexometric titrations. Its molecular formula is C26H25NO9S, and it is typically supplied as an orange to red solid. The compound's predictive boiling point is around 741.7±60.0 °C, and its pKa is approximately 1.77±0.10. These physical and chemical properties are important for laboratory chemists to consider when planning experiments and ensuring proper storage conditions, often recommended at 2-8°C under nitrogen.

The primary application of Semixylenol Orange lies in its use as an indicator for the testing and analysis of metal ions, most notably zinc and zirconium. Its utility extends to general laboratory reagents and scientific research where precise metal ion quantification is necessary. The compound's distinct color changes at the endpoint of a titration are key to its effectiveness, providing clear visual cues for analysts.

For businesses and research institutions looking to buy Semixylenol Orange, identifying a trustworthy manufacturer and supplier is essential. China is a significant hub for chemical manufacturing, offering many options for sourcing high-quality reagents. When making a purchase decision, consider factors such as purity (often specified as 99% or higher), packaging options, and the supplier's reputation. We pride ourselves on being a reliable supplier of Semixylenol Orange, offering competitive pricing for both small and bulk orders. Contact us today for a quote and to discuss how we can meet your specific chemical needs.