Premium Methyl Cellulose MC Powder China Factory and Reliable Suppliers
Methyl Cellulose (MC) is a high-performance, water-soluble polymer derived from natural cellulose, engineered to provide exceptional thickening, film-forming, suspension, and emulsifying properties. As a non-ionic cellulose ether, it is highly versatile and widely utilized across the pharmaceutical, food, cosmetics, building materials, and agricultural sectors to improve product stability and texture.
Characterized as a white or off-white fibrous powder, our Methyl Cellulose exhibits a unique thermoreversible gelation property: it disperses in hot water (80-90°C) and dissolves upon cooling. This specialized chemical profile makes it an indispensable raw material for everything from high-precision medical excipients and eye drops to industrial-grade construction coatings and hydrophilic gel skeletons.
Detailed Parameters
| Methoxy (wt%) | 27.0 - 32.0% | Loss on Drying (wt%) | ≤ 5% |
|---|---|---|---|
| Residue on Ignition (wt%) | ≤ 1% | Heavy Metals (ppm) | ≤ 20 |
| Arsenic Salt (ppm) | ≤ 2 | pH Value | 5.0 - 8.0 |
| Density | 1.3 g/cm³ | Apparent Density | 0.25 - 0.7 g/cm³ |
| Color Change Temp | 190 - 200°C | Carbonization Temp | 225 - 230°C |
Key Advantages
Physiologically Inert
Safe for use in medical and food applications, acting as a stable, non-reactive matrix for drug delivery.
Thermal Reversibility
Unique ability to gel at high temperatures and dissolve upon cooling, ideal for controlled-release preparations.
Wide pH Stability
Maintains excellent solution stability across a broad pH range of 2-12, ensuring versatility in various formulations.
Superior Binding
Increases tablet hardness and reduces dust in pharmaceutical production through powerful cohesive properties.
Enhanced Retention
Increases the retention time of eye drops on ocular surfaces, significantly improving medication efficacy.
Precise Viscosity
Available in a wide range of specifications from very low to high viscosity to meet exact industrial needs.
Product Gallery
Management Platforms
Raw Material Control
Rigorous selection of natural wood and cotton cellulose to ensure maximum reactivity and purity.
Alkalinization Process
Precise temperature and alkali concentration control to prevent cellulose degradation during opening.
Etherification Mastery
Strict control of pH and stirring speed to achieve consistent degree of substitution and molecular weight.
Purification Stage
Multi-stage washing to remove residual sodium chloroacetate and sodium hydroxide for pharmaceutical grade.
Particle Engineering
Advanced drying and crushing processes to ensure uniform particle size and excellent fluidity.
Quality Certification
Compliant with the 2020 edition of the Chinese Pharmacopoeia (Part IV) for medical safety.
Investment Return Comparison
| Feature Parameter | Standard Grade MC | Our Premium MC |
|---|---|---|
| Viscosity Consistency | Moderate Variation | Ultra-Stable Range |
| Solubility Rate | Standard Cooling | Rapid Dispersal |
| Purity Level | Industrial Standard | Pharmacopoeia Grade |
| Binding Strength | Average | High Cohesion |
| Shelf Stability | Standard | Enhanced Long-term |
Frequently Asked Questions
Q: How should Methyl Cellulose be dissolved in water?
MC should be dispersed in hot water at 80-90°C where it swells rapidly. After dispersal, allow the solution to cool, and it will dissolve quickly to form a clear, viscous solution.
Q: What is the primary role of MC in tablet manufacturing?
It serves as a critical binder, effectively bonding powdered drug ingredients to increase tablet hardness, reduce dust, and ensure structural integrity during compression.
Q: Is Methyl Cellulose compatible with other emulsifiers?
Yes, because MC is non-ionic, it can be used with various other emulsifiers. However, users should be cautious as it may be subject to "salting out" under high electrolyte concentrations.
Q: How does MC improve the effectiveness of eye drops?
Due to its thickening properties, MC increases the viscosity of the liquid, which slows down the drainage of the drop from the eye surface, thereby extending the drug's contact time.
Q: What are the storage requirements for Methyl Cellulose powder?
MC should be stored in a cool, dry environment. It is essential to avoid exposure to direct sunlight, rain, and moisture to maintain its chemical stability and powder fluidity.
Q: What makes MC suitable for sustained-release preparations?
Its ability to form a hydrophilic gel skeleton or multi-layer coating films allows for the controlled diffusion of active ingredients, making it ideal for sustained-release drug delivery.
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