Stearic Acid Triple Pressed (C18 20% - 30%)


:   Octadecanoic acid

Cas Number

:   57-11-4

HS Code

:   3823.11.00




Basic Info

Appearance Name

:   White Beads/Flakes

Common Names

:   Octadecanoic acid


: 25 kg PP Bag

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Technical Document

Brief Overview

Stearic acid, also referred to as octadecanoic acid, is a prevalent and beneficial form of saturated fatty acid present in both animal and vegetable fats. It is a waxy white solid with the chemical formula of CH3(CH2)16CO2H and molar mass of 284.48 g/mol. These fats naturally comprise a blend of oleic acid, palmitic acid, and stearic acid, with commercial stearic acid being created from nearly equal amounts of oleic and palmitic acids. In its natural state, stearic acid can be found in mixed triglycerides alongside other long-chain acids, or as an ester of fatty alcohol. It's worth noting that animal fats generally have a higher concentration of stearic acid compared to vegetable fats.

Manufacturing Process

Fatty acids are used in the production of stearic acid, and the process of manufacture is determined by the type of raw material selected and the required quality of stearic acid. Different protocols are used according to these variables. Among the raw materials used most frequently in the synthesis of stearic acid are tallow and grease. There are two primary steps in the production process:

a. The first step is hydrolyzing the raw materials (oil or fat) to produce glycerin and fatty acids. The two products are subsequently divided.

b. The purification and separation of the fatty acid mixture are included in the second stage.

Paint Industry

A useful wax enhancer in the art of candlemaking is stearic acid. In addition to making candles harder and more opaque, this non-toxic additive also helps freestanding candles maintain their shape—especially in the warmer months—while also making them brighter. Stearic acid also raises the melting point and general uniformity and endurance of candles. It is a favored option for creating a wide variety of artistic and creative objects due to its stability and shaping qualities.

Detergent Industry

Stearic acid plays a vital role in the formulation of cosmetics and soaps, including face wash, shampoo, beauty soaps, and shaving cream. Its primary function is to enhance the thickness or hardness of the soap, contributing to its structural integrity. Functioning as a powerful cleanser and an emulsifying agent, stearic acid binds water and oil, resulting in smooth and creamy products. This versatile ingredient is commonly incorporated into face cleansers, shampoos, and shaving creams to leverage its cleaning and emulsifying properties.

Fragrance and Flavoring Industry

Stearic acid is widely employed in the food industry, serving a dual purpose as both a flavor enhancer and binding agent to elevate the taste and texture of a diverse array of food products. Its versatile applications encompass the production of margarine, creamy spreads, chewing gums, bakery delicacies, dietary supplements, soft drinks, and artificial sweeteners. The strategic incorporation of stearic acid in these formulations aims to intricately enhance the sensory qualities of the products, ensuring a visually appealing experience for consumers.

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