Carboxymethyl Cellulose (CMC)
Versatile Thickener, Stabilizer, and Binder for Industrial & Food Applications
Carboxymethyl Cellulose (CMC), also known as Sodium Carboxymethyl Cellulose, is a high-performance, water-soluble cellulose derivative widely used as a thickening agent, stabilizer, binder, emulsifier, and rheology modifier across a broad range of industries. Due to its excellent viscosity control, stability, and compatibility, CMC is a critical functional ingredient in food processing, pharmaceuticals, mining, detergents, cosmetics, ceramics, paper, and oilfield applications.
CMC appears as a white to off-white powder or granules, is odorless, tasteless, and readily disperses in water to form clear or slightly opalescent solutions. Its versatility, cost-effectiveness, and reliable performance make it one of the most widely used cellulose ethers worldwide.
What is Carboxymethyl Cellulose (CMC)?
Carboxymethyl Cellulose is produced by chemically modifying natural cellulose, introducing carboxymethyl groups that significantly improve water solubility and functional performance. The sodium salt form is the most commonly used grade due to its excellent dispersibility and stability.
CMC is valued for its ability to control viscosity, prevent separation, improve texture, and enhance product stability, even at low usage levels. Different grades are available depending on viscosity, purity, substitution degree, and application requirements.
Key Applications of CMC
1. Food & Beverage Industry
CMC is widely used as a food additive (E466) to improve texture and stability in:
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Dairy products (ice cream, yogurt, creamers)
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Sauces, dressings, and condiments
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Beverages and fruit drinks
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Bakery and gluten-free products
It acts as a thickener, stabilizer, moisture retainer, and fat replacer, improving mouthfeel and shelf life.
2. Pharmaceutical & Medical Applications
In pharmaceuticals, CMC is used as:
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Tablet binder and disintegrant
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Suspending agent in syrups
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Thickener in gels and topical formulations
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Excipient in ophthalmic and oral products
Pharma grades meet strict quality and purity standards.
3. Mining & Mineral Processing
CMC is commonly used in mineral flotation and mining operations as:
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Depressant and dispersant
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Rheology modifier
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Binder for pellets and agglomerates
It improves selectivity and process efficiency in mineral separation.
4. Detergents & Home Care
CMC functions as an anti-redeposition agent in detergents, preventing dirt from re-attaching to fabrics during washing and improving cleaning performance.
5. Industrial Applications
CMC is widely used in:
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Ceramics and tile adhesives
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Paper and pulp processing
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Textile sizing and printing
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Oil drilling fluids and construction materials
Key Benefits of Carboxymethyl Cellulose
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Excellent thickening and viscosity control
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Strong stabilizing and emulsifying properties
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Effective at low dosage
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Water soluble and easy to disperse
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Compatible with a wide range of formulations
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Non-toxic, biodegradable, and environmentally friendly
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Available in multiple grades for different industries
Technical Specifications (Typical)
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Product Name: Carboxymethyl Cellulose (CMC)
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Synonym: Sodium Carboxymethyl Cellulose
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CAS Number: 9004-32-4
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Appearance: White to off-white powder or granules
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Solubility: Soluble in water
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pH (1% solution): Typically 6.5 – 8.5
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Viscosity: Available in low, medium, and high viscosity grades
Detailed technical data is available upon request.
Packaging Options
CMC is supplied in export-grade packaging to meet global logistics requirements:
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25 kg multi-wall paper bags with PE liner
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500 kg / 1,000 kg jumbo bags (on request)
Custom packaging options are available depending on customer needs.
Quality Control & Documentation
Each shipment of Carboxymethyl Cellulose is supplied with complete documentation, including:
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Certificate of Analysis (COA)
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Safety Data Sheet (MSDS / SDS)
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Packing List & Commercial Invoice
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Certificate of Origin (if required)
Food and pharmaceutical grades comply with relevant international standards.
Storage & Handling
Store CMC in a cool, dry, and well-ventilated area, protected from moisture and direct sunlight. Keep packaging tightly closed when not in use to maintain product quality.
Why Choose Our Carboxymethyl Cellulose?
We supply high-quality Carboxymethyl Cellulose (CMC) suitable for food, pharmaceutical, mining, detergent, and industrial applications. Our products offer consistent performance, reliable quality control, and full export documentation, making them ideal for international buyers and manufacturers.
Whether you require CMC for food stabilization, pharmaceutical formulations, mining processes, or industrial production, our grades deliver dependable results you can trust.
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