Category:
Other Packaging Materials
CAS NO:
107667-60-7
Standard:
In-house Standards,

Product Information |
Product name |
Zinc L-carnosine / Polaprezinc |
CAS No. |
107667-60-7 |
Molecular Formula |
C9H12N4O3Zn |
Molecular Weight |
289.61 |
Quality Standard |
99% up by HPLC |
Appearance |
White crystallized powder |
COA of Zinc L-carnosine |
Items |
Specifications |
Results |
Appearance |
White crystallized powder |
Conforms |
Odor |
Odorless |
Conforms |
Specific rotation |
+8° to + 9° |
+8.6° |
Lead |
≤2ppm |
Conforms |
Arsenic |
≤1ppm |
Conforms |
Cadmium |
≤1ppm |
Conforms |
Mercury |
≤0.1ppm |
Conforms |
Related substance |
≤1.0% |
Conforms |
Water |
5%max |
0.6% |
Carnosine content |
76.0%~80% |
76.7% |
Zinc content |
21.5%~23.0% |
22.2% |
Particle size |
70% through 80 mesh |
Conforms |
Loose bulk density |
--- |
0.42g/ml |
Tap Density |
--- |
0.62g./ml |
Total aerobes counts |
≤1000cfu/g |
<10cfu/g |
Mold & Yeast |
≤300cfu/g |
<10cfu/g |
E.Coli |
Negative |
Negative |
Colforms |
Negative |
Negative |
Bacillus cereus |
Negative |
Negative |
Salmonella |
Negative |
Negative |
Assay (by HPLC) |
≥ 99% |
99.58% |
Conclusion |
Conforms with the standards |
|
Usage |
