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Magnesium Myristate CAS 4086-70-8 - Suppliers & Factory in China, Colorless Powder, Hydrophobic Properties
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.
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 is it different from Magnesium Stearate?
Magnesium Myristate (Magnesium Tetradecanoate) is a metallic soap derived from myristic acid (C14), whereas Magnesium Stearate is derived from stearic acid (C18). Magnesium Myristate offers superior slip and a silkier skin feel, making it especially preferred in color cosmetics and pressed powder formulations where smooth application is critical.
Q
What is the recommended usage level of Magnesium Myristate in loose powder formulations?
For loose powder and face powder applications, the recommended dosage of Magnesium Myristate is 5.0%–10.0%. For pressed powder, eyeshadow, and blush, a lower range of 2.0%–5.0% is typically used.
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 performs a similar function to Magnesium Stearate but is noted for its superior slip properties. It also helps improve the glossy appearance of pills and minimizes sticking to punch tooling during compression.
Q
What are the key functional benefits of Magnesium Myristate in color cosmetics?
In color cosmetics, Magnesium Myristate provides multiple benefits: it acts as a binder and anti-caking agent in pressed powders, enhances color payoff and adhesion in eyeshadow and blush, delivers water resistance and long-lasting wear in foundations and mascaras, and imparts a smooth, silky skin feel across all product types.
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 heat sources. Proper sealing helps prevent moisture absorption (loss on drying ≤6.0%) and maintains the product's powder characteristics and performance over time.
Q
Can Magnesium Myristate be used in industrial applications outside of cosmetics?
Yes. Beyond cosmetics and pharmaceuticals, Magnesium Myristate finds use 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.