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    Stearic Acid

    Stearic Acid in Tradeasia

    IUPAC Name

    Octadecanoic acid

    Cas Number


    HS Code




    Basic Info


    White Flakes

    Common Names

    Octadecanoic acid


    Flexi bag, 17 MT/20FCL

    What is Stearic Acid?

    Stearic acid, also known as octadecanoic acid, is one of the most common and useful types of saturated fatty acids found in combined form in natural animal and vegetable fats. It is a waxy white solid with the chemical formula CH3(CH2)16CO2H and a molar mass of 284.48 g/mol. Esters and salts of stearic acid are known as stearates. Commercially, stearic acid is a mixture of approximately equal amounts of stearic and palmitic acids and small amounts of oleic acid. Naturally, stearic acid occurs as a mixed triglyceride, or fat, with other long-chain acids and as an ester of fatty alcohol. It is found more abundantly in animal fat than in vegetable fat.

    Manufacturing Process

    Stearic acid is manufactured using fatty acids. The manufacturing process varies depending on the grade of stearic acid required and the type of raw material used. Tallow and grease are the most common raw materials for producing stearic acid. There are two main steps in the production process:

    • Firstly, raw materials (fat or oil) are hydrolyzed to produce a mixture of fatty acids and glycerin, followed by the separation of the two products.

    • Purification and separation of fatty acid mixtures.

    Ensuring a steady supply from trusted stearic acid suppliers and distributors is crucial for maintaining the integrity of the production process and meeting industry standards.

    Paint Industry

    Stearic acid is a very effective wax modifier used in candle making. It is a non-toxic additive that increases the opacity and hardness of candles. It also enhances candle whiteness and helps maintain the shape of freestanding candles during warmer months. By increasing durability, consistency, and the melting point, stearic acid is essential in producing high-quality candles. Due to its stability and shaping properties, it is also used in making various art and craft products. Reliable stearic acid suppliers ensure that the paint industry receives high-grade stearic acid necessary for these applications.

    Detergent Industry

    Stearic acid plays a crucial role in the manufacturing of soap and cosmetics such as face wash, shampoo, beauty soaps, and shaving cream. As a thickener or hardener, stearic acid helps soap retain its shape and enhances its cleansing properties. Additionally, it acts as an emulsifying agent, binding oil and water, which is why it is used in facial cleansers, shampoos, and shaving creams to make them soft and creamy. Trusted stearic acid distributors provide the high-quality stearic acid needed to achieve these properties, ensuring the effectiveness and stability of these products.

    Fragrance and Flavoring Industry

    Stearic acid is also used in the fragrance and flavoring industry, particularly in candle making. As an effective wax modifier, it increases the opacity and hardness of candles. It also improves candle whiteness and helps maintain the shape of freestanding candles in warmer conditions. By enhancing durability, consistency, and melting point, stearic acid is vital for creating high-quality candles. Additionally, due to its stability and shaping properties, it is used in various art and craft products. Dependable stearic acid distributors provide access to top-notch stearic acid, essential for achieving the desired characteristics in candles and other craft items.

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