Brand Name: SGONEK
Price: $5 -$8/Kilogram
Place of Origin: Shaanxi, China
Certification: ISO FDA SG COA MSDS
Grade: Food Grade Pharmaceutical Grade
Payment Terms: T/T, Western Union, MoneyGram
| Product Name: | Poly-L-aspartic acid | Cas No.: | 25608-40-6 |
| Molecular Formula: | / | Purity: | 99%min |
| Brand Name: | SGONEK | Certification: | ISO FDA SG COA MSDS |
| Product Name | Poly-L-aspartic acid 99% |
| CAS No. | 25608-40-6 |
| Purity | 99% |
| Appearance | White Powder |
| Molecular Formula | C4H7NO4 |
| EINECS No. | / |
| Item | Standard | Test Results | |
|
Identification |
A.H-NMR:Comply with the structure |
Complies |
|
|
B.LC-MS:Comply with the structure |
Complies |
||
|
C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
||
|
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
Complies |
||
|
Crystallinity |
meets the requirements. |
Complies |
|
|
Loss on drying |
≤2.0% |
0.19% |
|
|
Heavy metals |
≤10 ppm |
<10ppm |
|
|
Water |
≤1.0% |
0.1% |
|
|
Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.009% |
|
|
Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
|
Total Impurity |
≤0.5% |
0.18% |
|
|
Purity |
≥99.0% |
99.7% |
|
|
Assay |
99.0%~101.0% (anhydrous substance). |
99.8% |
|
|
Microbiological Analysis |
|||
|
Total plate count |
≤1000cfu/g |
Complies |
|
|
Yeast and Moulds |
≤100cfu/g |
Complies |
|
|
E. Coli. |
Absent |
Negative |
|
|
Salmonella |
Absent |
Negative |
|
|
S.aureus |
Absent |
Negative |
|
|
Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
|
