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Fatty acids, C8-10, C12-18-alkyl esters are a mixture of compounds derived from renewable sources like coconut or palm oil. They are produced by esterifying medium-chain fatty acids (C8–C10) with long-chain fatty alcohols (C12–C18). This results in biodegradable, lightweight emollients with a silky, non-greasy feel. They are widely used in cosmetics (lotions, sunscreens) as conditioners and solvents, and in industrial applications such as environmentally friendly lubricants, plasticizers, and surfactants due to their excellent spreading and formulation properties.
Fatty acids, C8-10, C12-18-alkyl esters are a mixture of biodiesel-like compounds produced by reacting short-chain alcohols with a specific blend of fatty acids derived from plant or animal oils.
Let's break down the name:
Fatty acids, C8-10: This refers to the source fatty acids, which have carbon chain lengths of 8 to 10 atoms (e.g., from coconut or palm kernel oil).
C12-18-alkyl esters: This means these fatty acids have been chemically reacted (esterified) with alcohols that have alkyl chain lengths of 12 to 18 carbon atoms (e.g., cetyl alcohol, stearyl alcohol).
Origin: Derived from renewable biological sources.
Function: They act as emollients, solvents, carriers, and conditioners.
Key Characteristics: They are typically biodegradable, have excellent spreadability, and provide a non-greasy, silky feel.
Common Applications:
Cosmetics & Skincare: Found in lotions, creams, sunscreens, and makeup as a lightweight emollient that enhances texture and delivery of active ingredients.
Industrial Lubricants: Used as base oils in environmentally friendly lubricants and metalworking fluids.
Plasticizers: Can be used to soften polymers and plastics.
Surfactants & Cleaning: Used as components in the production of biodegradable surfactants for detergents.
In short, it's a versatile, plant-derived chemical workhorse valued for its smooth feel and green credentials in formulations.
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