Stannous Chloride Anhydrous, also widely recognized by its CAS number 7772-99-8, is a critical inorganic chemical compound playing a pivotal role across numerous industries. Also known as Tin(II) chloride anhydrous or Tin dichloride, this versatile substance stands out for its unique chemical properties and extensive range of applications, making it an indispensable material in modern manufacturing and research.

Chemically, Stannous Chloride Anhydrous typically presents as a white powder or colorless orthorhombic crystals. Its molecular formula is SnCl2, with a molecular weight of 189.62 g/mol. Key physical characteristics include a melting point around 246-247 degrees Celsius and a boiling point ranging from 623 to 652 degrees Celsius. With a density of approximately 3.90 to 3.95 g/cm3, it is known for its excellent solubility in various solvents such as ethanol, acetone, ether, and tetrahydrofuran, and its solubility significantly increases in hydrochloric acid. It is crucial to note its air-sensitive and hygroscopic nature, which underscores the importance of proper storage and handling to maintain its high purity and reactivity. One of its most defining features is its classification as a powerful reducing agent, capable of readily absorbing oxygen from the air, and its ability to act as a Lewis acid, forming complexes with various ligands.

The applications of Stannous Chloride Anhydrous are incredibly diverse, spanning from heavy industry to specialized scientific fields:

In the metal and surface finishing industries, Stannous Chloride Anhydrous is a cornerstone. It is extensively used in tin plating baths and electroplating processes, where it serves as a primary reducing agent to deposit uniform and durable metal layers, enhancing the appearance, durability, and corrosion resistance of substrates. Furthermore, it acts as a sensitizing agent, preparing glass and plastic surfaces for metallization, which is crucial in manufacturing mirrors, metallized glazing, and electronic components on plastic bases.

As a catalyst and reducing agent in chemical synthesis, its utility is unmatched. It is vital in organic synthesis for converting quinones to hydroquinones and nitroaromatics to aromatic amines, including applications in Stephen reduction. Its catalytic properties are also leveraged in the production of various poly- and monomeric esters through esterification processes, and in the manufacturing of plastic polylactic acid. Its role extends to the petrochemical industry as a refining catalyst and in the production of polymers.

Beyond industrial applications, Stannous Chloride Anhydrous finds significant use in the food and pharmaceutical sectors. In the food industry, it functions as an effective food additive, primarily for its antioxidant properties and its ability to retain color in bottled and canned food products, thereby enhancing both flavor and presentation. In pharmaceuticals, it serves as an important intermediate in the production of various medicinal products and as a source of tin in certain radiopharmaceutical kits, such as those used in radionuclide angiography for reducing technetium-99m-pertechnetate to facilitate binding with blood cells.

Other notable applications include its use as a mordant in the textile industry for dyeing processes, imparting brighter and more lasting colors, and even increasing the weight of silk. It also functions as a corrosion inhibitor, a lubricating oil stabilizer, a fragrance or soap additive, a stain remover, and is employed in the coloring of art glass, in thermoplastic elastomers, and as a soldering flux.

Given its critical applications, ensuring the highest quality of Stannous Chloride Anhydrous is paramount. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing Stannous Chloride Anhydrous of exceptional purity, typically ranging from 98.5% to 99.5%, backed by rigorous quality control and certification processes. Our commitment to excellence ensures that our product meets stringent industry standards and delivers consistent performance for all client requirements.

As a leading manufacturer and supplier of high-quality Stannous Chloride Anhydrous (CAS 7772-99-8), NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing premium products for diverse industrial needs. We offer competitive price structures tailored to bulk and customized orders, ensuring optimal value without compromising on quality. To buy or purchase Stannous Chloride Anhydrous, or to receive detailed product specifications and personalized quotes, we invite you to contact our dedicated sales team. We ensure reliable supply, efficient logistics, and comprehensive product support for all your requirements, reinforcing our position as a trusted partner in the global chemical market.