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Ethylhexyl Palmitate, also known as Octyl Palmitate, is an ester derived from palmitic acid and 2-ethylhexanol. It appears as a clear, oily liquid with a light texture and mild odor. Widely used in cosmetics and personal care products, it functions primarily as an emollient, helping to soften and smooth the skin by filling gaps between dry skin cells. Its non-greasy feel enhances product spreadability and leaves a silky finish, making it popular in sunscreens, moisturizers, lipsticks, and foundations. It also acts as a solvent or carrier for other ingredients like UV filters and fragrances. Generally considered non-comedogenic (rated 2/5), it’s suitable for most skin types. Approved by global regulatory agencies, Ethylhexyl Palmitate is safe at typical use levels (1–10%). Due to its sensory benefits and stability, it’s often used as a silicone alternative in “natural” or lightweight formulations.
Items | Specifications | Results |
Appearance | Liquid | Pass |
Odor | It has a characteristic odor | Pass |
Colour（APHA） | 15max | 9 |
Acid Value (mgKOH/g) | ≤0.2 | 0.02 |
Specific Gravity（25℃） | 0.850-0.860 | 0.856 |
Refractive index（25℃） | 1.445-1.447 | 1.446 |
Saponification Value（mgKOH/g） | 146-156 | 152.5 |
Iodine Value （g I2 /100g） | ≤0.2 | 0.024 |
Water content（%） | ≤0.2 | 0.018 |
Packing(kg/桶） | 175 | Qualified |
Conclusion | The product conforms to the above specifications. | |
Ethylhexyl Palmitate (also known as Octyl Palmitate) is an ester formed from 2-ethylhexanol and palmitic acid. It is a clear, colorless to pale yellow liquid with a mild odor, commonly used in cosmetic and personal care formulations due to its favorable sensory and functional properties.
IUPAC Name: 2-Ethylhexyl hexadecanoate
Molecular Formula: C₂₄H₄₈O₂
Molecular Weight: ～368.63 g/mol
CAS Number: 29806-73-3
Appearance: Clear, oily liquid
Solubility: Insoluble in water; soluble in oils and organic solvents
Stability: Stable under normal conditions
Texture: Lightweight, non-greasy feel on skin
Emollient
Softens and smooths the skin by filling in gaps between skin flakes.
Improves skin texture and provides a silky after-feel.
Skin-conditioning Agent
Enhances the appearance and feel of skin without leaving a heavy residue.
Carrier or Solubilizer
Used to dissolve or disperse other ingredients (e.g., UV filters, fragrances) in formulations.
Texture Enhancer in Cosmetics
Found in sunscreens, foundations, lipsticks, and moisturizers to improve spreadability and reduce greasiness.
Alternative to Silicones
Often used in “silicone-free” products as a natural-feeling substitute with similar slip properties.
Low Comedogenic Potential
Generally rated as non-comedogenic or low comedogenic (typically rated 2 on a 0–5 scale), making it suitable for many skin types.
Approved for use in cosmetics by regulatory bodies such as the FDA and EU Commission.
Considered safe at typical use concentrations (usually 1–10%).
Not classified as a significant irritant or sensitizer in standard toxicological studies.
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