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Cetheinyl Hexanoate (often classified under its structurally refined synonyms such as Cetyl Ethylhexanoate, or referred to biochemically as synthetic seabird feather oil) is a key functional emollient in the cosmetic and personal care sectors. Its physical properties mimic the natural protective coating of seabird feathers, providing a lightweight, breathable, and highly hydrophobic barrier on human skin without inducing comedogenicity.
As a branched-chain ester, it has a unique molecular conformation that enables an extremely low surface tension. This low surface tension results in exceptional spreading capability, allowing cosmetic formulations (such as cleansing oils, premium lotions, and high-performance color cosmetics) to distribute uniformly over skin structures. By acting as a non-occlusive moisture barrier, Cetheinyl Hexanoate fills the gaps between desquamating corneocytes, restoring skin suppleness and preventing trans-epidermal water loss (TEWL).
From an industrial chemistry perspective, Cetheinyl Hexanoate exhibits excellent stability against oxidation, rancidity, and high thermal variations. This makes it an ideal alternative to natural vegetable oils, which are prone to lipid peroxidation. The demand for this ingredient has surged among product formulators who require stable raw materials that maintain sensory elegant touch profiles over an extended shelf life.
| Technical Parameter | Industrial Grade Range | Premium/Cosmetic Grade Range | Testing Standards & Methods |
|---|---|---|---|
| Chemical Description | Hexanoic acid, 2-ethyl-, hexadecyl ester | Hexanoic acid, 2-ethyl-, hexadecyl ester | CAS No. 59130-69-7 / IUPAC |
| Assay (Purity by GC) | ≥ 98.0% | ≥ 99.5% (Odorless refinement) | Gas Chromatography (GC-FID) |
| Acid Value (mg KOH/g) | ≤ 0.2 | ≤ 0.05 | ASTM D974 / Acid-Base Titration |
| Refractive Index (20°C) | 1.4410 – 1.4460 | 1.4420 – 1.4450 | Abbe Refractometer Measurement |
| Saponification Value | 140 – 155 mg KOH/g | 145 – 152 mg KOH/g | KOH Reflux Titration |
| Heavy Metals (Pb, As, Cd) | ≤ 10 ppm | ≤ 2 ppm | ICP-MS (Inductively Coupled Plasma) |
Navigating the trajectory of synthetic esters toward next-generation biosyntheses, carbon-neutral processing, and green-label certifications.
Traditional esterification relies on high temperatures and acid catalysts, which generate secondary side products. The future of Cetheinyl Hexanoate lies in lipase-catalyzed esterification at mild temperatures. This enzymatic pathway reduces energy consumption by up to 40% and yields an ultra-high purity ester with virtually no color or odor profile.
Currently, the ethylhexanoic acid component is petrochemical-derived. Suzhou Yuantairun's roadmap features a strategic migration toward bio-derived 2-ethylhexanol and bio-hexanoic acid sourced from fermented agricultural residues, aligning with the green beauty demands of modern formulations.
Implementing closed-loop solvent recovery systems within our chemical facilities allows us to achieve a recycling efficiency rate of over 98.5%. This minimization of volatile organic compound (VOC) emissions ensures that each batch of Cetheinyl Hexanoate produced contributes to a lower carbon footprint.
How Cetheinyl Hexanoate resolves formulation bottlenecks across skin care, hair care, and complex surfactant systems.
Challenge: Emulsifying waterproof silicone-based cosmetics without leaving a greasy, occlusive film on the consumer's skin.
Solution: Cetheinyl Hexanoate integrates seamlessly with mild surfactants like APG0810 (Caprylyl/Capryl Glucoside) and Sodium Lauroyl Sarcosinate. It breaks down sebum and heavy makeup while maintaining rapid emulsification upon water contact, ensuring a residue-free wash.
Challenge: Hair conditioning elements in sulfate-free formulations often weigh down fine hair fibers.
Solution: Replacing heavy silicones with Cetheinyl Hexanoate in formulas containing Polyurethane-10 and Sodium Lauroyl Oat Amino Acids creates a lightweight conditioning complex. This delivers a smooth feel, reduces static electricity, and restores natural hair shine.
Challenge: Retaining high lipid levels without causing a heavy skin feel.
Solution: Combining Cetheinyl Hexanoate with BGCC (Butylene Glycol Dicaprylate/Dicaprate) and Glyceryl Glucoside creates a dual-action hydration barrier. It provides instant softness while slowly releasing hydrating agents to deeper epidermal layers.
Suzhou Yuantairun Chemical Co., Ltd. utilizes an advanced manufacturing system designed to ensure product stability, regulatory compliance, and consistent supply lines. Our automated reactor facilities control the esterification process within tight parameters, minimizing raw material waste and eliminating batch-to-batch variation.
By integrating automated temperature profiling and online GC monitoring, we analyze purity throughout the synthesis cycle. This control mechanism reduces the occurrence of high-acid value excursions, ensuring our Cetheinyl Hexanoate meets international cosmetic-grade standards. Our chemical storage facilities utilize nitrogen-blanketed storage tanks to prevent atmospheric moisture absorption and raw material oxidation.
Located in the Yangtze River Delta chemical cluster, we maintain solid logistics connections that minimize transit times. This operational setting enables us to guarantee lead times for bulk purchases, preventing production delays for cosmetic manufacturers worldwide.
Addressing key priorities for global procurement teams: supply continuity, product safety, cost control, and chemical traceability.
Global supply chains require consistent access to materials. Suzhou Yuantairun maintains strategic reserves of base materials, including hexanoic acid and fatty alcohols, ensuring production remains active even during supply shortages.
We provide full batch documentation for every shipment, including COAs (Certificate of Analysis), MSDS sheets, gas chromatography profiles, and heavy metal testing reports, helping to simplify regulatory clearance steps.
We supply Cetheinyl Hexanoate in various packaging volumes to match different production sizes, including 25kg plastic drums, 200kg steel drums, and 1,000kg IBC containers, all sealed under nitrogen to protect raw material freshness.
Regulatory compliance is a critical requirement in the modern personal care market. Suzhou Yuantairun's Cetheinyl Hexanoate satisfies global regulatory requirements, enabling chemical safety compliance across different regional markets.
Our raw materials comply with the European Union's REACH regulations and are listed on China's IECIC (Inventory of Existing Cosmetic Ingredients in China). This compliance ensures that products containing our raw materials can transition smoothly into international retail pipelines.
We collaborate with global logistics partners and regional distributors to provide local technical and warehouse support. This network helps chemical formulators quickly address stability issues, optimize surfactant pairings, and secure reliable regional supply lines.
Expert insights from our laboratory team addressing common questions regarding ester compatibility, formulation steps, and delivery timelines.
Contact Suzhou Yuantairun Chemical Co., Ltd. for pricing details, technical datasheets, and custom sample kits tailored to your formulation needs.
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