Customization: | Available |
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CAS No.: | 1398-61-4 |
Formula: | (C8h13no5)N |
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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 |
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° |
Sulfated ash | ≤1.0% | 0.1% |
N-N-Dimethylannline | ≤20ppm | Never used in the production |
Methylen chloride | ≤600ppm | 296ppm |
≤320ppm | 155ppm | |
≤3000ppm | 95ppm | |
Conclusion:complies with EP 6th Standard. |
Conclusion:complies with EP 6th Standard. |