CAS No.: | 7048-04-6 |
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EINECS: | 200-157-7 |
Packaging Material: | Paper |
Storage Method: | Normal |
Shelf Life: | >12 Months |
Nutrient Composition: | Amino Acid |
Samples: |
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Customization: |
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Package | carton drum with two plastic bags inside |
Net weight | 25KG/Drum |
Storage | Sealed in cool and dry place to avoid moisture and light |
Shelf life | 2 years when properly stored |
Lead time | 1~3 days after confirmation |
Test Items | Test Standard |
Appearance | White crystals or crystalline powder |
Specific rotation | +5.5°~+7.0° |
Transmittance | ≥98.0% |
Chloride | 19.89%~20.29% |
Assay | 99.0%~100.5% |
Other amino acids | Chromatographically not detectable |
Loss on drying | 8.5%~12.0% |
Residue on ignition | ≤0.10% |
Heavy metals | ≤10ppm |
Iron(Fe) | ≤10ppm |
Ammonium | ≤0.02% |
Sulfate(SO42-) | ≤0.02% |
As | ≤1ppm |
PH | 1.5~2.0 |
Items |
Standard |
Test Result |
Appearance |
White crystals or crystalline powder |
White crystalline powder |
Identification |
Infrared absorption |
Conform |
Assay |
98.5%~101.5% |
99.3% |
Residue on ignition |
≤0.4% |
<0.06% |
Sulfate (SO4) |
≤0.03% |
<0.03% |
Iron (Fe) |
≤30ppm |
<30ppm |
Heavy metals (Pb) |
≤15ppm |
<15ppm |
Related compounds |
Not more than 0.5% of any individual impurity is found; Not more than 2.0% of total impurities is found |
Conform |
Specific rotation [α]D25 |
+5.7°~+6.8° |
+5.9° |
Loss on drying |
8.0~12.0% |
11.1% |
Conclusion |
This batch is conforming with the standard of USP39. |
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