Palmitic Acid 98% min

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SKU: RD2190

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Palmitic Acid 98% min

EDENOR®  C16-98 MY

Cosmetic & Technical grade

Palmitic acid is one of the most common naturally occurring saturated fatty acids, widely found in animals, plants, and microorganisms. It was first isolated from palm oil (hence the name).

Palmitic acid is a 16-carbon saturated fatty acid that is solid at room temperature, chemically stable, and versatile. It plays roles in biology, and industry, with key applications in cosmetics, soaps, surfactants, and pharmaceuticals.


  • IUPAC name: Hexadecanoic acid

  • Formula: C₁₆H₃₂O₂

  • Molecular weight: 256.43 g/mol

  • Structure: A straight-chain saturated fatty acid with 16 carbon atoms (CH₃–(CH₂)₁₄–COOH).

  • Type: Long-chain saturated fatty acid (LCFA).

 

Chemical Properties

  • Functional groups: Carboxylic acid group (–COOH), hydrocarbon chain.

  • Acidity (pKa): ~4.8 (weak acid).

  • Reactivity:

    • Can form esters (fatty acid esters) with alcohols.

    • Can be saponified with alkali to produce soaps.

    • Can undergo hydrogenation/oxidation reactions.

    • Relatively stable to oxidation compared to unsaturated fatty acids.

Physical Properties

  • Appearance: White crystalline solid or powder; can appear waxy.

  • Odour: Faint, characteristic fatty smell.

  • Melting point: ~61–63 °C

  • Boiling point: ~351 °C (decomposes).

  • Solubility:

    • Insoluble in water (hydrophobic tail dominates).

    • Soluble in ethanol, ether, chloroform, and hot alcohol.

  • Density: ~0.85 g/cm³ (at 20 °C).

 

Uses of Palmitic Acid

 

  1. Cosmetics & personal care

    • As emollient, thickener, or opacifying agent in creams, lotions, and soaps.

    • Its salts and esters (e.g., isopropyl palmitate) are widely used as moisturizers and skin conditioners.

  2. Soap & detergents

    • Sodium palmitate (from saponification) is a classic soap ingredient.

    • Provides hardness and foaming stability.

  3. Industrial uses

    • As a precursor for lubricants, surfactants, and plasticizers.

    • Used in manufacturing fatty alcohols, esters, and metallic soaps (e.g., calcium palmitate for stabilizers).

  4. Pharmaceuticals

    • Used as an excipient in drug formulations.

    • Palmitic acid derivatives can modify drug solubility or release profile.

  5. Biological role

    • A major energy source when metabolized.

    • Involved in palmitoylation (a post-translational protein modification important for membrane anchoring).

 

    PLEASE NOTE: This product is not for human or animal consumption.





    Certificate of Analysis available on request.


    Comparison of Palmitic, Stearic, and Oleic Acid

    Property Palmitic Acid Stearic Acid Oleic Acid
    IUPAC Name Hexadecanoic acid Octadecanoic acid (9Z)-Octadec-9-enoic acid
    Formula C₁₆H₃₂O₂ C₁₈H₃₆O₂ C₁₈H₃₄O₂
    Type Saturated fatty acid Saturated fatty acid Monounsaturated fatty acid (ω-9)
    Carbon chain length 16 18 18
    Double bonds 0 0 1 (cis at C9–C10)
    Molecular weight 256.43 g/mol 284.48 g/mol 282.47 g/mol
    Melting point ~61–63 °C ~69–70 °C ~13–14 °C
    State at room temp (20–25 °C) Solid (waxy) Hard solid (more crystalline) Liquid (oily)
    Solubility Insoluble in water, soluble in ethanol, ether Insoluble in water, soluble in ethanol, ether Insoluble in water, soluble in organic solvents
    Stability Stable (no double bonds) Stable (no double bonds) Less stable (double bond prone to oxidation/rancidity)
    Typical sources Palm oil, animal fats, butter Cocoa butter, shea butter, tallow Olive oil, canola oil, nuts
    Biological note Most common saturated FA in humans Second most common, less atherogenic Considered "heart-healthy" fat