Overview
Palmitoleic acid (CAS 373-49-9 ), also known as zoomeric acid, is a monounsaturated omega-7 fatty acid sourced primarily from sea buckthorn, macadamia oil, and marine lipids.
It functions as a bioactive lipid ingredient in nutritional, cosmetic, and pharmaceutical formulations where fatty acid profile and skin-compatibility are key sourcing criteria for manufacturers.
In personal care, it is incorporated into facial creams, serums, and barrier-repair products where its structural similarity to skin sebum supports emollient performance and formulation stability.
Nutraceutical manufacturers use it as an active ingredient in omega-7 supplements targeting metabolic and cardiovascular health positioning. Food formulators source it to enrich functional lipid blends.
Pharmaceutical researchers also use it as a reference standard or active component in lipid-based drug delivery systems. It is available as a liquid oil or in concentrated free fatty acid form.
Purity grades typically range from technical to high-purity for specialty applications. Food-grade and cosmetic-grade specifications are the most commonly traded forms in the chemical market.
It is also available as a standardized extract within sea buckthorn oil fractions, depending on the intended application. Quality is maintained according to industry standards for lipid purity.
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Physical Properties
| Melting Point | -0.1 °C |
| Boiling Point | 333.84 °C |
| Density | 0.8538 g/cm³ (liquid) @ Temp: 15 °C |
| Flash Point | 62 °C |
| Appearance | clear liquid |
| Color | Clear |
| Form | Liquid |
| Refractive Index | 1.457-1.459 |
| Log P | 6.402 (est) |
Safety & Handling
Warning GHS07 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29161995 |
| Packing Group | III |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 373-49-9
- EC Number
- 206-765-9
- Mol. Weight
- 254.41
- HS Code
- 29161995
- Category
- Vitamins & Nutrients