The CAS number of sodium lactate is 867-56-1, also known as sodium lactate and sodium lactate salts. It is a liquid with a food grade sodium lactate color of<150, a light yellow color, tasteless, and slightly salty. It is a natural product extracted from lactic acid and a key ingredient in the food industry, used as a preservative, emulsifier, and stabilizer. It is also used in the cosmetics and pharmaceutical industries as an antioxidant and preservative.