Ultramarine Blue, identified by its CAS number 57455-37-5, stands as a prominent inorganic pigment celebrated for its distinct, vibrant blue hue. Chemically, it is a complex sodium aluminium sulfosilicate, synthetically produced to replicate the intense blue color historically derived from the rare mineral Lapis Lazuli. This synthetic version offers consistent quality, wide availability, and affordability, making it indispensable across numerous industrial applications.

The properties of Ultramarine Blue define its utility. It presents as a fine, dark blue powder, typically boasting a high purity level, often 99% Minimum. A key characteristic is its excellent resistance to alkaline environments, making it highly stable and suitable for use in materials like cement, concrete, and lime washes where many organic pigments would degrade. Furthermore, it exhibits good stability at high temperatures, withstanding processing conditions commonly found in the plastics and ceramics industries.

Ultramarine Blue is also notable for its robust lightfastness and weather stability, ensuring colors remain vivid and unfaded when exposed to sunlight and various atmospheric conditions over time. This makes it a reliable choice for exterior applications. However, it possesses a significant limitation: poor acid resistance. In the presence of acids, Ultramarine Blue decomposes, leading to discoloration or a loss of color, often accompanied by the release of hydrogen sulfide gas, which has a characteristic unpleasant odor. Therefore, careful consideration of the chemical environment is necessary when selecting Ultramarine Blue.

Beyond its color, Ultramarine Blue holds a unique property: its ability to counteract yellowing. When added in small quantities to white substrates such as paints, plastics, paper, or textiles, it absorbs yellow light, making the material appear whiter and brighter to the human eye. While it has relatively low tinting strength and hiding power compared to opaque pigments like titanium dioxide, its non-toxicity is a valuable trait, widening its range of potential applications.

The applications for Ultramarine Blue are remarkably diverse. In the coatings industry, it's used in decorative paints, industrial coatings, and powder coatings, valued for its bright color and stability in appropriate formulations. The plastics industry utilizes Ultramarine Blue extensively for coloring polymers in various forms, including masterbatches, films, and molded products, where its heat stability during extrusion and molding is beneficial. It is also found in printing inks for packaging and publications.

In the ceramics sector, Ultramarine Blue is employed to color ceramic bodies and glazes, relying on its ability to withstand the high firing temperatures involved in ceramic production. Its use extends to the rubber industry for pigmenting rubber products. Furthermore, it plays a significant role in the textile and paper industries as a bluing agent to enhance the perceived whiteness of fabrics and paper products. Its non-toxic nature also allows for its use in certain cosmetic products, such as soaps and bath bombs, where a vibrant blue is desired.

The synthetic production of Ultramarine Blue involves complex high-temperature reactions of raw materials like clay, sulfur, sodium carbonate, and carbon. Achieving consistent color shade, particle size distribution, and purity is critical for performance across different applications. Rigorous quality control measures are essential throughout the manufacturing process.

Suppliers like NINGBO INNO PHARMCHEM CO.,LTD. ensure the quality and reliability of Ultramarine Blue pigment through comprehensive testing and certification. Standard documentation such as Material Safety Data Sheets (MSDS), Certificates of Analysis (COA), Technical Data Sheets (TDS), and relevant Product Certifications (PC) are typically provided, offering customers assurance regarding the product's properties, safety handling instructions, and compliance with quality standards. High purity (99%Min) is a standard specification, ensuring minimal impurities that could affect performance or safety.

For industries requiring a consistent and high-quality supply of this versatile pigment, partnering with a reputable Ultramarine Blue manufacturer is paramount. NINGBO INNO PHARMCHEM CO.,LTD. stands as a trusted Ultramarine Blue supplier, offering this essential pigment for a wide range of industrial needs. The pigment is typically supplied in convenient packaging, such as 25 kg bags, or customized according to customer requirements, with free samples often available for initial evaluation.

Customers interested in discussing specifications, lead times, or obtaining the latest Ultramarine Blue price are encouraged to reach out directly. Information on how to buy Ultramarine Blue in various quantities and grades is readily available, making the procurement process straightforward. NINGBO INNO PHARMCHEM CO.,LTD. is committed to facilitating the purchase Ultramarine Blue for businesses worldwide, ensuring reliable supply and technical support.

Safe handling practices are important when working with Ultramarine Blue powder. While non-toxic, it is recommended to wear a respirator to avoid inhaling fine dust particles and to ensure adequate ventilation and dust extraction in the workplace to maintain a safe environment.

In summary, Ultramarine Blue (CAS 57455-37-5) is a cornerstone pigment in modern industry. Its brilliant blue color, combined with resistance to alkali and heat, lightfastness, and unique bluing ability, secures its place in applications spanning coatings, plastics, ceramics, and beyond. Sourced and supplied by NINGBO INNO PHARMCHEM CO.,LTD., it remains a valuable raw material for manufacturers seeking quality and performance.