Brief Introduction:
Carboxymethyl Cellulose (CMC) is a water-soluble anionic polymer derived from cellulose. It is widely used as a thickener, stabilizer, binder, and water-retention agent in various industries, including food, pharmaceuticals, cosmetics, and industrial applications. CMC is known for its excellent solubility, viscosity control, and compatibility with other ingredients, making it a versatile additive in many formulations.
Property | Specification |
---|---|
Chemical Formula | [C₆H₇O₂(OH)₂CH₂COONa]ₙ |
Appearance | White to off-white powder |
Solubility | Soluble in water, insoluble in organic solvents |
Viscosity (1% solution) | 10–10,000 mPa·s (depending on grade) |
pH (1% solution) | 6.5–8.5 |
Degree of Substitution (DS) | 0.6–1.2 |
Moisture Content | ≤10% |
Bulk Density | 0.5–0.7 g/cm³ |
CAS Number | 9004-32-4 |
Applications:
CMC is widely used in various industries, including:
-
Food Industry:
-
Used as a thickener, stabilizer, and emulsifier in ice cream, sauces, and baked goods.
-
Acts as a fat replacer and improves texture in low-fat products.
-
-
Pharmaceuticals:
-
Used as a binder, disintegrant, and viscosity modifier in tablets and suspensions.
-
Acts as a stabilizer in liquid formulations.
-
-
Cosmetics and Personal Care:
-
Functions as a thickener and stabilizer in lotions, creams, and toothpaste.
-
Provides moisture retention in skincare products.
-
-
Industrial Applications:
-
Used as a thickener and water-retention agent in detergents, adhesives, and paper coatings.
-
Acts as a stabilizer in drilling fluids for oil and gas exploration.
-
-
Textiles:
-
Used as a sizing agent and thickener in textile printing and dyeing.
-
-
Ceramics:
-
Acts as a binder and water-retention agent in ceramic formulations.
-
Features:
CMC offers several key features, including:
-
Water Solubility: Easily dissolves in water to form clear, viscous solutions.
-
Viscosity Control: Provides precise control over solution viscosity.
-
Stability: Chemically stable under a wide range of pH and temperature conditions.
-
Compatibility: Compatible with a wide range of ingredients and additives.
-
Non-toxic: Safe for use in food, pharmaceuticals, and cosmetics.
-
Biodegradable: Environmentally friendly and biodegradable.
Packaging:
CMC is available in the following packaging options:
-
25 kg bags (multi-layered paper or polyethylene).
-
500 kg and 1000 kg bulk bags.
-
Custom packaging options are available upon request.
Storage:
To ensure the quality and stability of CMC, follow these storage guidelines:
-
Store in a cool, dry, and well-ventilated area.
-
Keep away from direct sunlight, heat, and moisture.
-
Ensure the packaging is tightly sealed to prevent contamination.
-
Avoid contact with strong acids, bases, and oxidizing agents.
-
Shelf life: Up to 2 years when stored under recommended conditions.