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IUPAC Name |
: Octadecanoic acid |
Cas Number |
: 57-11-4 |
HS Code |
: 3823.11.00 |
Formula |
: C18H36O2 |
Appearance Name |
: White Beads/Flakes |
Common Names |
: Octadecanoic acid |
Packaging |
: 500/600 Kg (flakes & beads) net weight in PP Woven Bulk Bag (palletized), 700 Kg (beads) net weight in PP Woven Bulk Bag (palletized), 25 Kg net weight in PP Laminated Paper Bag (loose/palletized) |
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Brief Overview
Naturally occurring animal and vegetable fats contain a combination of octadecanoic acid, also known as stearic acid, one of the most common and advantageous forms of saturated fatty acids. It is a waxy white solid with the chemical formula of CH3(CH2)16CO2H and molar mass of 284.48 g/mol. Stearates are salts and esters of stearic acid. Small amounts of oleic acid are combined with nearly equal amounts of palmitic and stearic acids to create commercial stearic acid. In nature, stearic acid can be found as a mixed triglyceride, or fat, with other long-chain acids and as an ester of fatty alcohol. Animal fat has a larger concentration of it than vegetable fat.
Manufacturing Process
Stearic acid production involves the utilization of fatty acids, and the manufacturing process depends on the chosen raw material and the desired stearic acid quality. Various procedures are employed based on these factors. Tallow and grease stand out as the most commonly used raw materials for stearic acid production. The production process consists of two main stages:
a. The initial stage involves hydrolyzing raw materials (fat or oil) to generate a combination of fatty acids and glycerin. Subsequently, the two products are separated.
b. The second stage encompasses the purification and separation of the fatty acid mixture.
Paint Industry
Stearic acid serves as a valuable wax enhancer in the craft of candlemaking. This non-toxic additive not only increases the hardness and opacity of candles but also plays a crucial role in preserving the shape of freestanding candles, particularly during warmer seasons, while enhancing their brightness. Additionally, stearic acid elevates the melting point and overall durability consistency of candles. Its stability and molding properties make it a preferred choice for crafting a diverse range of artistic and creative items.
Detergent Industry
Stearic acid is an essential component used in the creation of cosmetics and soaps, including face wash, shampoo, beauty soaps, and shaving cream. Stearic acid thickens or hardens the soap, assisting in its ability to maintain its shape. Because it is a potent cleaner and an emulsifying ingredient that binds water and oil to leave goods smooth and creamy, it is found in face cleansers, shampoos, and shaving creams.
Fragrance and Flavoring Industry
Stearic acid is extensively utilized in the food industry, playing dual roles as a flavor enhancer and binding agent to enhance the taste and texture of a diverse range of food items. Its multifaceted application includes the production of margarine, creamy spreads, chewing gums, bakery items, dietary supplements, soft drinks, and artificial sweeteners. The inclusion of stearic acid in these formulations is designed to optimize the sensory attributes of the products, creating a more visually appealing experience for consumers.