Chitosan (Medical /Food / Industrial Grade)

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Chitosan (Medical /Food / Industrial Grade)

Chitosan (medical/food/industrial grade) is white, non-toxic, tasteless and amorphous translucent solid and it is soluble in acid, insoluble in water, alkali and common organic solvents. At 185 ℃, this product decomposes. In terms of application, this product can be used in many fields, including textile, printing and dyeing, leather, paint, cigarette, plastic, cosmetics, food, feed, medicine, health care, color film, bio-engineering, agricultural crop protection, sewage treatment and other fields. Of course, our company can provide special molecular weight product with the range of 20,000-300,000 and 1,000-8,000.

① Our company can provide high purity chitosan with degree of deacetylation higher than 95%.
② Viscosity is determined in acetate solution under 20℃and 1℃ and we can provide product with viscosity less than 50mpa.s. Different levels of product quality are required for different applications and we can manufacture this product on customers' requirements.

Detailed Specifications
Item Medical grade Food grade Industrial grade
Appearance White powder White powder White or light yellow semitransparent sheet or powder
Degree of deacetylation >90%, 95% >85%, 90%, 95% >70%, 80%, 85%
pH 7.0-8.0 7.0-8.0 7.0-8.0
Loss on drying <8.0% <10.0% <12.0%
Residue on ignition <1.0% <1.5% <2.0%
Insoluble <1.0% <1.0% <2.0%
Heavy metal (measured by Pb) ≤10ppm ≤10ppm  
As ≤0.5ppm ≤0.5ppm  
Total bacterial count ≤1000cfu/g ≤1000cfu/g  
Viscosity 50-800mpa.s
Granularity 40mesh, 60mesh, 80mesh, 100mesh
Package For medical and food grade, fiber can is used and the size is 38.0cm×48.0cm and 42.0cm×60.0cm. Each package is 25.0kg or 20.0kg. Customization is available.

As a specialized chitosan (medical /food / industrial grade) manufacturer and supplier in China, Golden-Shell also offers GS-chitosan oligosaccharide, chitosan capsule / tablet, DC grade D-Glucosamine sulfate, N-acetyl-D-glucosamine, and more.

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