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Magnesium Myristate CAS 4086-70-8 - Premium Quality from China Suppliers & Factory
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% (pressed powder), 5%~10% (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
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.
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 what is it made from?
Magnesium Myristate, also known as Magnesium Tetradecanoate, is a metallic soap derived from myristic acid (a saturated fatty acid) and magnesium. It appears as a white, very fine, light powder that feels greasy to the touch, with a melting point of 132–138°C.
Q What are the main benefits of using Magnesium Myristate in cosmetics?
Magnesium Myristate provides a silky, slippery skin feel, strong adhesion to skin, and excellent hydrophobicity (water resistance). In cosmetic formulations, it improves spreadability, enhances color payoff, controls oil, and extends the wear of makeup products such as powders, foundations, and mascaras.
Q How does Magnesium Myristate compare to Magnesium Stearate in pharmaceutical applications?
Both are used as lubricants and glidants in tablet and capsule manufacturing. However, Magnesium Myristate offers superior slip performance compared to Magnesium Stearate. It also improves the glossy appearance of pills and reduces sticking to punches during the tableting process.
Q What is the recommended usage level of Magnesium Myristate in pressed powder and loose powder?
For pressed powder products such as eyeshadow and blush, the recommended dosage is 2.0%–5.0%. For loose powder and face powder applications, a higher level of 5.0%–10.0% is typically used to achieve optimal binding, slip, and anti-caking performance.
Q Can Magnesium Myristate be used in industrial applications outside of cosmetics?
Yes. Beyond cosmetics and pharmaceuticals, Magnesium Myristate is used in plastics and rubber as an internal/external 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.
Q What are the storage and packaging requirements for Magnesium Myristate?
Magnesium Myristate is packaged in 20 kg bags and should be stored in a sealed container in a cool, dry warehouse. Proper sealing prevents moisture absorption and maintains the product's quality and performance over time.