| Customization: | Available |
|---|---|
| CAS No.: | 1398-61-4 |
| Formula: | (C8h13no5)N |
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Chitin is a polysaccharide extracted from the shells of marine crustaceans with the chemical formula (C8H13O5N)n. Chitin is light beige to white, soluble in concentrated sulfuric acid and acetic acid, insoluble in alkali and other organic solvents, and insoluble in water. Chitosan, a deacetylated derivative of chitin, is insoluble in water and partially soluble in dilute acids.
Chitin has a wide range of applications and can be used in fabrics, clothing, dyes, paper and water treatment in industry. In agriculture, it can be used as pesticides and plant antiviral agents. Fish feed for fish farming. Cosmetic beauty agent, hair protection, moisturizing agent, etc. Medical supplies can be used for contact lenses, artificial skin, sutures, artificial dialysis membranes and artificial blood vessels, etc.
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English name chitin,chitosan Chemical formula (C8H13NO5)n Molecular weight (203.19)n CAS accession number 1398-61-4 EINECS Accession No. 215-744-3 water soluble, insoluble in water Density 1.75 g/cm³ Appearance: white amorphous substance, odorless and tasteless |
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Testing terms |
Standards |
Results |
|
Assay |
95.0%~102.0% |
99.9% |
|
PH |
3.5~5.5 |
4.6 |
|
Appearance of solution |
0.5mol/L HCL≤2# 2mol/L NH4 OH≤2# |
1# 1# |
|
Water |
11.5%~14.5% |
13.2% |
|
Related substances |
Impurity (max.)≤1.0% |
0.13% |
|
Specific optical rotation |
+290''~+315'' |
+305° |
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Sulfated ash |
≤1.0% |
0.1% |
|
N-N-Dimethylannline |
≤20ppm |
Never used in the production |
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Methylen chloride |
≤600ppm |
296ppm |
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|
≤320ppm |
155ppm |
|
|
≤3000ppm |
95ppm |
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Conclusion:complies with EP 6th Standard. |
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