China Factory Supply 99% Magnesium Stearate CAS 557-04-0

1). Used in the production of tablets, capsules and other solid preparations, to reduce the adhesion of particles to the mold, to ensure smooth tablet pressing.
Common concentration: 0.25%-5% (usually 0.5%-1.5%, adjusted according to the formula).
2). Prevent the adhesion of the preparation during packaging or storage.
3). Improve powder flowability and filling uniformity (need to cooperate with other flow aids such as silica).
4). Used in small amount in granules, suppositories or topical preparations to improve texture and processing performance.

1). Temperature: Normal temperature (20-25°C recommended), avoid high temperature (>40°C may lead to caking).
2). Humidity: relative humidity <60% (moisture absorption may reduce lubricity and accelerate degradation).
3). Light: keep away from light (long term light exposure may trigger oxidation).
4). Sealed container (e.g. double polyethylene bag + aluminum foil bag) to prevent moisture and contaminants from entering.
5). Keep away from strong acids, strong oxidizing agents (e.g. peroxide, nitric acid), avoid sharing storage areas.
6). Usually 2-3 years (need to check the fluidity and appearance changes periodically).

1). Acid and alkali resistance: stable in weak acids/alkalis, but may hydrolyze to form stearic acid and magnesium ions under strong acidic conditions (pH<3).
2). Oxidation risk: may oxidize under high temperature or light, need to avoid metal ion contamination (e.g. iron, copper).
3). Hygroscopicity: too high humidity prone to agglomeration, affecting dispersion and lubrication effect.
4). Compatibility: adsorption may occur with some API (e.g. vitamin C, aspirin), need to evaluate the formulation compatibility.
5). Dissolution: excessive use (>5%) may delay drug release, need to optimize the dosage by dissolution test.
6). Bioavailability: caution is needed when combining with hydrophobic drugs, may reduce absorption efficiency.
7). Prolonged storage at high temperatures may generate stearic acid and magnesium oxide, need to monitor acid value changes.

Company Profile

ZHONGDA (ZHENGZHOU) INTERNATIONAL EXP.&IMP.CO.,LTD. Is a subsidiary of HENAN KANGYUAN FLAVOR GROUP CO.,LTD.

 

ZhongDa operates monomeric frag rances, synthetic fragrances, chemical raw materials, pharmaceutical and dye intermediates,agricultural and sideline products, metal materials and food flav ors etc..
It is also responsible for the procurement ( of various raw materials, instruments and equipments which are required for the production, engineering,re research and development of subsidiaries of Kangyuan group company. Relying on strong financial support, professional sales network, and high-quality product services, ZhongDa has become the partner of dom nestic and foreign manufacturers and professional customers, and it is a foreign trade-oriented enterpl rise with considerable strength in the spice industry.

ZHONGDA (ZHENGZHOU) INTERNATIONAL EXP.&IMP.CO.,LTD. was established in 2007, with a group of professional business trade, product research and development team.

 

It has rich experience in foreign trade, good domestic and international business reputation, and extensive sales channel advantages. Through the joint efforts, ZhongDa has achieved outstanding results. Our products sell well all over the country and are exp( orted to Southeast Asia, Middle East, America, Europe and other countries and regions. And enjoy high re eputation from domestic and foreign customers.
ZhongDa adheres to the tenet of"Quality first, service firs st". We sincerely hope to establish good coope rative relationship with more companies and strive to mer et the different requirements of customers. We hope that ZhongDa products will help you succeed in your pr oducts. We hope that our products will develop together in big market and create brilliant future. We sincer rely welcome customers to visit, guide and call us!

Advantages

 

1). More than 30 years of production experience and more than 10 years of export sales experience.
2). Our products have Kosher, ISO and Halal certificate.
3). Small batch shipment and sub-packaging is available.
4). Provide COA, MSDS, Health Certificate and Origin Certificate.
5). Quality first, service best.

 

FAQ

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