Isatin, a chemical compound with the CAS number 91-56-5, is an indispensable material in the fine chemical industry. Characterized by its distinct orange-red crystalline appearance, Isatin is a versatile intermediate widely utilized in the synthesis of pharmaceuticals and dyes. As a prominent isatin manufacturer China, we are dedicated to providing this crucial compound with exceptional purity and reliability to meet the demands of global industries. Understanding its properties and applications is key for any potential buyer.

The physical properties of Isatin are noteworthy. It typically appears as an orange-red to reddish-brown powder or crystals. Its melting point is around 193-195 °C, with decomposition occurring at higher temperatures. Isatin exhibits moderate solubility in water (approximately 1.9 g/L at 20°C) and is soluble in hot ethanol, ether, and benzene. These solubility characteristics are important considerations for formulators and chemists when designing reaction conditions or preparing solutions. The compound's stability is generally good under recommended storage conditions, though it should be kept away from strong acids.

Chemically, Isatin is a derivative of indole, specifically 1H-indole-2,3-dione. This structure imparts it with unique reactivity, making it an excellent starting material for a wide range of synthetic transformations. As a pharmaceutical intermediate, Isatin is crucial for constructing complex drug molecules. Its derivatives have shown potential in various therapeutic areas, from antimicrobial and antifungal agents to treatments for neurological disorders. Pharmaceutical companies often seek to buy Isatin 91-56-5 for its role in synthesizing novel active pharmaceutical ingredients (APIs).

In the dye industry, Isatin serves as a key precursor for the synthesis of indigo and related vat dyes. The color imparted by these dyes is highly sought after in textile applications due to their vibrancy and durability. The demand for Isatin as a dye intermediate ensures its continuous importance in the global chemical market. For those in the textile and printing sectors, sourcing from a reliable isatin supplier for dye intermediate applications is paramount for consistent color output.

When considering procurement, understanding the nuances of sourcing from China is beneficial. As a leading isatin cas 91-56-5 chemical supplier, we offer competitive isatin price structures, especially for bulk orders. We ensure that our Isatin meets stringent purity requirements, typically 98% or higher, which is critical for its downstream applications. We recommend procurement managers to inquire about our quality certifications and sample availability to ensure the product meets their specific needs.

For businesses looking for high purity isatin for sale, partnering with an established Chinese manufacturer provides access to both quality products and cost-effectiveness. Our commitment is to provide a stable supply chain, reliable product specifications, and efficient logistics to ensure timely delivery. We encourage prospective clients to reach out for detailed quotations and to discuss how we can best support your manufacturing and research objectives.

In conclusion, Isatin (CAS 91-56-5) is a fundamental chemical intermediate with diverse and critical applications. Its unique properties and reactivity make it indispensable for the pharmaceutical and dye industries. By sourcing from reputable manufacturers in China, you can ensure a high-quality, cost-effective, and reliable supply of this essential compound.