Sodium carboxymethyl cellulose (CMC-Na) is an anionic water-soluble high-molecular polymer, which is made by alkalization and etherification modification of natural cellulose. Daily chemical grade CMC has excellent thickening, emulsifying, stabilizing and water retention properties, and is widely used in daily chemical products such as detergents, cosmetics and toothpaste, significantly enhancing the texture and user experience of the products.
1. Main components
- Sodium carboxymethyl cellulose (CMC-Na) : The main component, with a degree of substitution (DS) typically ranging from 0.6 to 1.0, ensures water solubility and functionality.
- Moisture content: ≤10% (under dry conditions).
- Sodium chloride (NaCl) : ≤5% (by-product, affecting purity).
- Others: May contain trace amounts of unreacted cellulose or ethanol (production residues).
Product Ingredients and Characteristics
|
Property |
Functional Performance |
|
High Efficiency Thickening |
Rapidly increases liquid viscosity and forms stable gel structures (e.g., shampoo, body wash). |
|
Emulsion Stabilization |
Helps achieve uniform oil-water mixing and prevents phase separation (e.g., lotions, facial cleansers). |
|
Moisture Retention |
Locks in water to enhance hydration in skincare products or toothpaste. |
|
Suspension & Dispersion |
Prevents particle sedimentation (e.g., scrub particles in exfoliators, abrasives in toothpaste). |
|
pH Adaptability |
Stable performance within pH 5~9 range, compatible with most cosmetic formulations. |
|
Safety & Mildness |
Non-irritating, suitable for sensitive skin. |