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Magnesium Myristate CAS 4086-70-8 - China Suppliers and Factory for Hydrophobic Powder Products
Typical Properties
| Item | Specifications |
| Appearance | A white, very fine, light, powder, greasy to touch |
| Loss on drying | ≤6.0% |
| Iodine value | ≤1 |
| Free Acid | ≤3.0% |
| Melting Point | 132~138℃ |
| Particle Size (Through 200 mesh) | ≥99.0% |
| Heavy metals | ≤0.0020% |
| Pb | ≤0.0010% |
| As | ≤0.0005% |
| Assay（MgO）% (calculate by drying) | 8.2~8.9% |
| Assay（Mg）% | 4.9~5.4% |
Product Description
Magnesium Myristate (also known as Magnesium Tetradecanoate) is a high-performance metallic soap used as a cosmetic and industrial auxiliary. Defined by its core characteristics of slippery skin feel, strong adhesion, and excellent hydrophobicity, it serves as a key multifunctional ingredient in the fields of color cosmetics, powder processing, and pharmaceuticals.
Main Application Areas
1
Cosmetics (Primary Application)
💄 Powder Compacts / Loose Powder / Face Powder
Usage: 2%~5% (for pressed powder), 5%~10% (for loose powder).
Function: Binder, anti-caking agent, provides slip, and improves makeup longevity.
✨ Eyeshadow / Blush / Highlighter
Function: Enhances color payoff and adhesion, provides water resistance, and ensures a smooth, easy-to-blend texture.
🧴 Foundation / Concealer (Creams / Sticks)
Function: Improves spreadability, provides a matte oil-control finish, and ensures waterproof, long-lasting wear.
👁️ Mascara / Eyeliner
Function: Waterproofing, anti-smudging, and increases the smoothness of the paste.
🌸 Solid Perfume / Antiperspirant Sticks
Function: Solidifying agent (structuring) and provides a lubricious skin feel.
2
Pharmaceutical Industry
💊 Tablets & Capsules
Used as a lubricant and glidant for tablets and capsules. It functions similarly to Magnesium Stearate but offers superior slip.
Improves the glossy appearance of pills and reduces sticking to punches (sticking).
3
Other Industrial Applications
🔩 Plastics / Rubber
Internal and external lubricants, mold release agents.
🎨 Coatings / Inks
Matting agents, abrasion-resistant agents, and hand feel improvers.
⚙️ Metal Powder Metallurgy
Molding lubricants.
4
Recommended Dosage (Cosmetics)
| Application | Recommended Dosage |
|---|---|
| Loose Powder / Face Powder | 5.0% ~ 10.0% |
| Pressed Powder / Eyeshadow / Blush | 2.0% ~ 5.0% |
| Creams / Foundation | 1.0% ~ 3.0% |
| Mascara / Eyeliner | 1.0% ~ 4.0% |
Package & Storage
📦
Package
20 kg / bag
🏭
Storage
Stored in a sealed container in a cool, dry warehouse
Frequently Asked Questions
Q What is Magnesium Myristate and how is it different from Magnesium Stearate?
Magnesium Myristate (Magnesium Tetradecanoate) is a metallic soap derived from myristic acid (C14), while Magnesium Stearate is derived from stearic acid (C18). Magnesium Myristate offers a superior slip feel and better adhesion, making it particularly preferred in color cosmetics and high-performance powder formulations.
Q What is the recommended usage level of Magnesium Myristate in pressed powder formulations?
For pressed powder and eyeshadow/blush formulations, the recommended dosage is 2.0%~5.0%. For loose powder and face powder, a higher level of 5.0%~10.0% is typically used to achieve optimal binding and slip performance.
Q Is Magnesium Myristate safe for use in cosmetics and pharmaceuticals?
Yes. Magnesium Myristate meets strict quality standards with heavy metal content well below safety limits (Heavy metals ≤0.0020%, Pb ≤0.0010%, As ≤0.0005%). It is widely accepted as a safe ingredient in both cosmetic and pharmaceutical applications worldwide.
Q What are the key functional benefits of Magnesium Myristate in color cosmetics?
Magnesium Myristate provides several key benefits in color cosmetics: excellent adhesion to skin, a silky and smooth skin feel, strong water resistance and waterproofing, improved color payoff, anti-caking properties in powder products, and enhanced makeup longevity.
Q How should Magnesium Myristate be stored to maintain its quality?
Magnesium Myristate should be stored in a sealed container in a cool, dry warehouse away from moisture and direct sunlight. Proper sealing prevents moisture absorption and maintains the product's fine powder properties and performance over time.
Q Can Magnesium Myristate be used in industrial applications beyond cosmetics?
Yes. Beyond cosmetics, Magnesium Myristate is used in the pharmaceutical industry as a lubricant and glidant for tablets and capsules. It also finds application in plastics and rubber as a lubricant and mold release agent, in coatings and inks as a matting and abrasion-resistant agent, and in metal powder metallurgy as a molding lubricant.