Pure Water Soluble Carboxymethyl Chitosan Powder CAS 83512-85-0 Food Additives Thickener Stabilizer and Nutrition Enhancers Bulk Supply
CARBOXYMETHYL
CHITOSAN POWDER
Carboxymethyl Chitosan (CAS 83512-85-0) is a water-soluble chitosan derivative produced through advanced modification technology. Featuring excellent water solubility, film-forming ability, and biocompatibility, it is widely used as a thickener, stabilizer, and nutrition enhancer in food processing, supplement formulations, and industrial applications. Available for bulk supply with consistent quality and full batch traceability.
Technical Specifications
Core Technical Advantages
Excellent Water
Solubility
Unlike regular chitosan, which only dissolves in dilute acidic solutions, carboxymethyl chitosan dissolves readily in cold water to form a stable solution, making it highly versatile for various formulation processes.
Multi-Functional
Additive
Combines thickening, emulsifying, stabilizing, water-retaining, and film-forming functions in a single ingredient, effectively reducing the need for multiple additives in complex formulations.
High Purity &
Consistency
Strictly controlled degree of substitution, viscosity, and microbial indicators. Every batch is accompanied by a COA report, ensuring consistent quality and full batch-to-batch traceability.
Reliable Bulk
Supply
Equipped with scaled manufacturing capabilities, supporting flexible order quantities from kilogram to ton-scale. Meeting the raw material procurement needs of food processors and supplement brands.
Certificate of Analysis (COA)
| Product Name | Carboxymethyl Chitosan | Batch No. | CMC202605001 |
| CAS No. | 83512-85-0 | Test Date | 2026-05-12 |
| Manufacturing Date | 2026-05-10 | Expiry Date | 2028-05-09 |
| Items | Specification | Methods | Results |
| Degree of Substitution | ≥ 80% | Titration | 85.2% |
| Viscosity (1% solution) | 10 – 100 mPa·s | Rotational Viscometer | 45 mPa·s |
| Appearance | White to off-white fine powder | Visual | Conformity |
| Moisture | ≤ 10% | Gravimetric | 7.3% |
| Ash Content | ≤ 2.0% | Gravimetric | 1.1% |
| pH (1% solution) | 6.0 – 8.0 | pH Meter | 7.2 |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP-MS | Conformity |
| Arsenic (as As) | ≤ 1 ppm | ICP-MS | Conformity |
| Cadmium (Cd) | ≤ 1 ppm | ICP-MS | Conformity |
| Mercury (Hg) | ≤ 0.1 ppm | ICP-MS | Conformity |
| Microbial — TPC | ≤ 1,000 CFU/g | Plate Count | Conformity |
| Microbial — Yeast & Mold | ≤ 100 CFU/g | Plate Count | Conformity |
| E. coli | Negative / 25g | USP <62> | Conformity |
| Salmonella | Negative / 25g | USP <62> | Conformity |
| Shelf Life | Please refer to the batch-specific COA and product labelling for the exact expiry date. | ||
| Package | 1 kg/foil bag or 25 kg/drum; nitrogen flushing and light protection included. | ||
| Storage | Store in a cool, dry, dark, and sealed container below 25°C. | ||
Mechanism of Function
Thickening Agent
Forms high-viscosity fluids in aqueous solution, suitable for sauces, beverages, dairy products, and other food systems. Provides smooth mouthfeel and stable texture across a wide pH range.
Stabilizer & Emulsifier
Helps maintain uniform dispersion of oil-water phases in food systems, preventing separation and sedimentation. Extends product shelf life by enhancing formulation stability.
Nutrition Enhancer
As a chitosan derivative, it exhibits properties characteristic of dietary fiber-type substances. Suitable for use as a functional component in nutrition-enhanced food formulations.
Film-Forming Agent
Forms breathable protective films on food surfaces, applicable for fresh-keeping coatings and edible packaging materials, extending product freshness while maintaining quality.
Formulation Applications
Food & Beverage Industry
- Juice and beverage thickening and stabilization for consistent texture.
- Dairy product emulsion stabilization to prevent phase separation.
- Sauce and condiment water retention and viscosity enhancement.
- Bakery product moisture retention and shelf-life improvement.
Health & Nutrition Products
- Dietary fiber supplement raw material for functional food formulations.
- Nutrition-enhanced formula component for wellness and health products.
- Encapsulating and carrier agent for active ingredient delivery systems.
Industrial Applications
- Water treatment flocculant for wastewater clarification processes.
- Paper industry sizing agent for improved paper strength and printability.
- Textile dyeing and finishing auxiliary for enhanced fabric treatment.