Shanxi Zorui Biotechnology Co., Ltd.
                                                                                                           
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Magnesium Stearate White Fine Powder Lubricant for Tablet Manufacturing and Flow Aid in Direct Tablet Pressing

Price Negotiable
Price: Negotiable
MOQ: 500g, 1kg or 25kg for sample, 1000kg for commercial order
Delivery Time: In 3 working days
Brand: Zorui
Product Description
Magnesium Stearate CAS 557-04-0
Product Overview

Magnesium stearate (C₃₆H₇₀MgO₄, molecular weight 591.24) is an organic compound appearing as a fine white, non-grit powder with a slippery feel. It is insoluble in water, ethanol, or ethers. Primarily used as a lubricant, anti-adhesive, and flow aid, it's particularly suited for granulating oils and extracts, resulting in granules with excellent fluidity and compressibility.

Key Benefits
  • Improves powder flow and compressibility
  • Acts as a lubricant in tablet manufacturing
  • Prevents sticking during production processes
  • Enhances the clarity of liquid formulations
  • Functions as a suspending and thickening agent
Target Industries

Pharmaceutical, nutraceutical, cosmetic, and food industries.

Technical Specifications
Attribute Value
Name Magnesium stearate
Chemical formula C₃₆H₇₀MgO₄
Molecular weight 591.24
CAS No. 557-04-0
EINECS 209-150-3
Melting point 200 ℃
Boiling Point 359.4 ℃
Water solubility Insoluble in water
Density 1.028 g/cm³
Appearance White fine powder
Flash Point 162.4 °C
Product Functions
  • Lubricant: Reduces friction during manufacturing, ensuring smooth tablet production
  • Flow Agent: Enhances powder flowability, improving formulation consistency
  • Anti-Sticking Agent: Prevents ingredients from sticking to equipment
  • Stabilizer: Contributes to formulation stability over time
Application Areas
  • Pharmaceuticals: Tablet and capsule production to enhance manufacturing efficiency
  • Dietary Supplements: Health supplements to improve formulation and delivery
  • Food Industry: Release agent and food additive in food production
  • Cosmetics: Beauty products to improve texture and stability
Manufacturing Process
  1. Raw Material Sourcing: Derived from stearic acid and magnesium hydroxide/oxide reaction
  2. Synthesis: Neutralization reaction followed by solvent evaporation
  3. Purification: Filtration and drying to obtain fine powder
  4. Quality Control: Comprehensive testing ensures safety and quality compliance
Why Choose Our Magnesium Stearate
  • High Quality: Manufactured under strict quality control measures
  • Technical Expertise: Formulation support and technical assistance
  • Competitive Pricing: Attractive pricing for bulk and specialty orders
  • Sustainability: Responsible sourcing and environmentally friendly practices
Frequently Asked Questions
What is Magnesium Stearate used for?
Primarily used as a lubricant and flow agent in pharmaceutical tablets and dietary supplements.
Is it safe for consumption?
Yes, generally regarded as safe when used within established guidelines in food and pharmaceutical applications.
How should it be stored?
Store in a cool, dry place away from moisture to maintain quality.
What is the shelf life of Magnesium Stearate?
Typically 2 to 3 years when stored properly.
Can I request samples for testing?
Yes, samples are available upon request. Please contact us for more information.
Product Visuals
Magnesium Stearate product sample showing fine white powder Magnesium Stearate industrial packaging and storage Chemical structure diagram of Magnesium Stearate Quality control testing of Magnesium Stearate in laboratory
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanxi Zorui Biotechnology Co., Ltd.
Location Huiquan Square F14, No.1450 SH Caohejing Hi-Tech Park, Datong, Shanxi, China
Contact Person Julie

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