Breve introducción:
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.
| Propiedad | Especificación |
|---|---|
| Fórmula química | [C₆H₇O₂(OH)₂CH₂COONa]ₙ |
| Apariencia | White to off-white powder |
| Solubilidad | Soluble in water, insoluble in organic solvents |
| Viscosity (1% solution) | 10–10,000 mPa·s (depending on grade) |
| pH (solución 1%) | 6.5–8.5 |
| Degree of Substitution (DS) | 0.6–1.2 |
| Contenido de humedad | ≤10% |
| Densidad aparente | 0.5–0.7 g/cm³ |
| Número CAS | 9004-32-4 |
Aplicaciones:
CMC is widely used in various industries, including:
Industria alimentaria:
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.
Productos farmacéuticos:
Used as a binder, disintegrant, and viscosity modifier in tablets and suspensions.
Acts as a stabilizer in liquid formulations.
Cosméticos y Cuidado Personal:
Functions as a thickener and stabilizer in lotions, creams, and toothpaste.
Provides moisture retention in skincare products.
Aplicaciones industriales:
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.
Características:
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.
Embalaje:
CMC is available in the following packaging options:
25 kg bags (multi-layered paper or polyethylene).
500 kg and 1000 kg bulk bags.
Opciones de embalaje personalizadas están disponibles a pedido.
Almacenamiento:
To ensure the quality and stability of CMC, follow these storage guidelines:
Conservar en un lugar fresco, seco y bien ventilado.
Mantener alejado de la luz solar directa, el calor y la humedad.
Asegúrese de que el embalaje esté bien sellado para evitar la contaminación.
Avoid contact with strong acids, bases, and oxidizing agents.
Vida útil: hasta 2 años cuando se almacena en las condiciones recomendadas.