CAS 2163-00-0: Properties, Uses and Safety.
CAS 2163-00-0 is a chemical compound commonly known as calcium stearate. It is the calcium salt derived from stearic acid, a saturated fatty acid found in animal and vegetable fats and oils. Calcium stearate is a white, waxy, and odorless powder that is insoluble in water but soluble in organic solvents. In this article, we will discuss the properties, uses, and safety of CAS 2163-00-0.
Properties.
CAS 2163-00-0 is an effective lubricant and release agent due to its hydrophobic nature. It has a melting point of around 150-160°C and a density of 1.08-1.1 g/cm³. Calcium stearate has a slight fatty acid odor but is practically odorless when used in small amounts. It is stable under normal conditions but can decompose into stearic acid and calcium oxide when exposed to high temperatures.
Uses.
CAS 2163-00-0 has many industrial and commercial uses due to its excellent lubricating and release properties. It is widely used in the production of PVC pipes, cables, and wires as a stabilizer and lubricant. In the plastics industry, it is also used as a processing aid, to improve flow, reduce friction, and prevent adhesion. Calcium stearate is also used in the production of rubber and it is an essential component in the manufacturing of cosmetics and pharmaceuticals.
Safety.
CAS 2163-00-0 is generally considered safe. It is classified as a food additive by the FDA and is approved for use in certain food products. Calcium stearate may cause mild skin and eye irritation, but no severe health effects have been reported. However, it is important to handle calcium stearate with care as it can cause respiratory problems when inhaled in large quantities. The National Institute for Occupational Safety and Health (NIOSH) recommends a maximum exposure limit of 10 mg/m³ for calcium stearate dust.
In conclusion, CAS 2163-00-0, or calcium stearate, is a versatile and essential chemical compound used in many industries. Its hydrophobic nature makes it an effective lubricant and release agent, while also providing stability to many products. The compound is safe for use in certain food products and general industrial applications, but caution should be exercised when handling it to prevent respiratory problems.
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