Description of Magnesium Stearate from Watson Biotechnology Co., Ltd
Basic Information of Magnesium Stearate |
Product Name | Magnesium Stearate |
CAS NO. | 557-04-0 |
Apperance | White powder |
Assay | 99% |
Pacakge | 1kg/Foil Bag,25kg/Drum/Box |
MOQ | 1kg |
Storage | Cool and dry place |
Shelf Life | 2 Years |
Brand | Watson |
Specifications(COA) of Magnesium Stearate CAS use for Pharmaceuticals and Nutritional Supplements
Items | Specifications | Results |
Appearance | White，fine，light powder，greasy to touch | Conforms |
Identification A & B | Conforms | Conforms |
Acidity or alkalinity | Conforms | Conforms |
Loss on drying | ≤6.0% | 4.4% |
Chlorides | ≤0.1% | ＜0.1% |
Sulphates | ≤1.0% | ＜1.0% |
Lead | ≤10ppm | 0.14ppm |
Cadmium | ≤3ppm | 0.11ppm |
Nickel | ≤5ppm | 0.08ppm |
Stearic Acid | ≥40.0% | 42.2% |
Stearic Acid & Palmitic acid | ≥90.0% | 99.5% |
Assay (Mg) | 4.0% ~ 5.0% | 4.7% |
TAMC | ≤1000CFU/g | 50CFU/g |
TYMC | ≤500CFU/g | 10CFU/g |
Escherichia coli | Undetected | Conforms |
Salmonella species | Undetected | Conforms |
Conclusion | The product conforms to the standard of USP35. |
Magnesium stearate is a widely used compound in various industries due to its properties as a lubricant and flow agent. Here are some common applications:
1. Pharmaceutical Industry:
- Tablet and Capsule Manufacturing: Magnesium stearate is used as a lubricant in the production of tablets and capsules. It helps prevent ingredients from sticking to the equipment during the manufacturing process and ensures that the tablet's ingredients are evenly distributed.
- Capsule Filling: It improves the flowability of powder blends, making it easier to fill capsules with precise doses.
2. Cosmetics and Personal Care Products:
- Powder Products: Magnesium stearate is used in powders, such as foundation and eyeshadow, to improve texture and provide a smooth, silky feel. It also helps powders adhere better to the skin.
- Creams and Lotions: It acts as a thickening agent and helps stabilize emulsions, improving the texture and consistency of creams and lotions.
3. Food Industry:
- Food Additive: It is sometimes used as an anti-caking agent, emulsifier, or release agent in various food products, such as confectioneries, spices, and baking powders. It prevents clumping and ensures even distribution of ingredients.
4. Industrial Applications:
- Plastics and Polymers: Magnesium stearate can be used as a lubricant and mold release agent in the production of plastics, rubbers, and other polymers.
- Paints and Coatings: It is sometimes added to paints and coatings to improve consistency and prevent caking.
5. Nutritional Supplements:
- It is commonly found in dietary supplements as an excipient, helping with the manufacturing process and ensuring consistent product quality.
Overall, magnesium stearate's primary function across these applications is to improve the processing and consistency of products by acting as a lubricant, flow agent, or stabilizer.
FAQ From Watson Biotechnology Co., Ltd |
Q | Can I get a sample for free ? |
A | For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test. |
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Q | How to confirm the product quality before placing orders ? |
A | Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order. |
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Q | What is the payment you accept? |
A | For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us. |
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Q | What is your shipment way ? |
A | For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement. |
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Q | How long is your after-sales service? |
A | We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company. |
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Q | How do you treat quality complaint ? |
A | We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers. |
Founded in 2006 and headquartered in Wuhan, Hubei, China, Watson Biotechnology Co., Ltd is a leading manufacturing powerhouse specializing in the production of Active Pharmaceutical Ingredients (APIs) and Intermediates, Food and Feed Additives, Agricultural and Aquaculture chemicals, and Fine Chemicals. As a dedicated factory, our operations are driven by a commitment to excellence and innovation, ensuring that our products meet the highest standards of quality and compliance.
With a robust team of over 100 skilled professionals, Watson Biotechnology has established itself as a trusted name in the industry. Our products are meticulously crafted to align with international standards such as USP (United States Pharmacopeia), EP (European Pharmacopoeia), and BP (British Pharmacopoeia), guaranteeing reliability and efficacy.
At Watson Biotechnology, we pride ourselves on our cutting-edge facilities and state-of-the-art technology, which enable us to deliver superior products that cater to a diverse range of needs across various sectors. Our dedication to continuous improvement and customer satisfaction drives us to maintain stringent quality control processes and foster an environment of innovation and growth.
Watson Biotechnology Co., Ltd is a professional manufacturer which provide Magnesium Stearate with good quality and best price, welcome to contact us to get COA/TDS/MSDS of Magnesium Stearate.
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