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Magnesium Myristate CAS 4086-70-8 - Affordable China Suppliers & Factory for Quality Chemical 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 200mesh) | ≥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.
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 (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
Sealed container, cool & dry warehouse
Frequently Asked Questions
Q What is Magnesium Myristate and how does it differ 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 superior slip, finer particle size, and better skin adhesion, making it particularly preferred in high-performance color cosmetics and powder formulations.
Q What is the recommended usage level of Magnesium Myristate in pressed powder formulas?
For pressed powder and eyeshadow 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 skin feel.
Q Is Magnesium Myristate suitable for use in pharmaceutical tablet manufacturing?
Yes. Magnesium Myristate is used as a lubricant and glidant in tablet and capsule production. It reduces friction during compression, improves pill surface gloss, and minimizes sticking to punches — often performing better than conventional Magnesium Stearate in terms of slip.
Q What are the key physical properties of Magnesium Myristate?
Magnesium Myristate appears as a white, very fine, light powder that is greasy to the touch. Its melting point ranges from 132 to 138°C, with a particle size of ≥99.0% passing through a 200-mesh sieve, and an MgO assay of 8.2~8.9%.
Q Can Magnesium Myristate be used in waterproof cosmetic products?
Absolutely. Thanks to its excellent hydrophobicity, Magnesium Myristate is widely used in waterproof and long-lasting cosmetics such as mascara, eyeliner, foundation, and concealer. It provides effective water resistance while maintaining a smooth, blendable texture.
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 heat. Proper storage conditions help prevent moisture absorption and maintain its physical properties, including flowability and particle integrity.