| ≥1 piece |
Chemical Name: 1,4-2-diamino-deoxy--Glucosan
Molecular Weight(about): (C 8 H 11 NO 4 )n=(160.9)n
Property: white, nontoxic, odorless, amorphous semi-transparent solid, insoluble in water, alkali and ordinary organic solvent.
Usage: widely used in the field of textile, printing and dying, leather, coating, cigarette, plastic, cosmetic, food, feed, medicine, health care, paper making, biological engineering, wastewater treatment, etc.
The main index:
|
Item
|
Medicine Grade
|
Food Grade
|
Industry Grade
|
|
low viscosity
medium viscosity |
low,medium and high viscosity
|
||
| Appearance |
white semi-transparent sheet or powder
|
white or yellow semi-transparent sheet or powder
|
white or light yellow semi-transparent sheet or powder
|
| PH, % |
7-8
|
7-8
|
7-8
|
| Water content, % |
<8
|
<8
|
12-14
|
| Ash, % |
<1
|
<1
|
3-5
|
| Insoluble , % |
<1
|
<1
|
4
|
| Total bacteria amount |
<3000
|
<300
|
|
| As, % |
<0.0001
|
<0.0001
|
|
| Heavy metal(Pb),% |
<0.001
|
<0.001
|
|
| Acetyl removal ,%* |
90-93
|
90-95 85-90
|
85-95 80-90 <80
|
| Viscosity(CPS)** |
50-800
|
5-50 50-300
|
50-150
|
| Particle size |
60 mesh ,80 mesh ,100 mesh ,120 mesh
|
||
Package: for medicine and food grade, packed in 15kg, 20kg, 25kg paper barrel, the specification of barrel is: 38cmx48cm, 42cmx80cm
* We can supply high purity chitosan whose deacetylation is above 95%.
* Measuring viscosity at the temperature of 20, 1% chitosan solved in 2% acetic acid solution.
The indexes vary with the different usage, our company can supply the products of different deacetylation and viscosity according to the client's requirement to meet special usage.
Transportation and storage:
keep away from sun and rain, stored in dry, shady and cool place.
Standard: Q/320282NJH004-2001