Chitosan
CAS NO.:9012-76-4
Formulation：Powder
Specification：1KG/ Bag,25KG/Bag
Character:
Off-white, innocuous, flavourless semitransparent and amorphous solid. Soluble in acid, but insoluble in alkali and water or in ordinary organic solvent. Decomposed at 185°C.
Applications:
Widely used in the following fields: textile, dyeing, leather, dope, tobacco, plastic, cosmetic, food, feed, medication, health food, color film, bioengineering, agriculture, sewage treatment.
Standard:
Items
Medical Grade
Food Grade
Industrial Grade
Appearance
Off-white powder
Off-white powder
Off-white to yellowish semitransparent flaker or powder
Deacetylation* Degree
>90%, 95%
>85%, 90%, 95%
>70%, 80%, 85%
pH Value 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 Matter
<1.0%
<1.0%
<2.0%
Heavy Metals(Count as Load)
≤10ppm
≤10ppm
Arsenic
≤0.5ppm
≤0.5ppm
Total Plate Count ≤1000cfu/g
≤1000cfu/g
Viscosity**
50-800mpa.s for all grade
Particle Size
40mesh, 60mesh, 80mesh, 100mesh for all grade
