Customization: | Available |
---|---|
CAS No.: | 328-50-7 |
Formula: | 328-50-7 |
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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 |
Items |
Standard |
Results |
Method |
|
Characteristics | White crystalline powder | Conform | Organoleptic | |
Assay | 99.0%~101.0% | 99.1% | Internal | |
Melting point | 110~118ºC | 115~116ºC | USP | |
Solubility | Clear | Clear | USP | |
Transmittance | ≥98.0% | 99.0% | USP | |
Loss on drying | ≤1.0% | 0.34% | USP | |
Residue on ignition |
≤0.2% | 0.04% | USP | |
Heavy metals(as Pb) | ≤10ppm | <10ppm | USP | |
≤200ppm | <200ppm | USP | ||
≤200ppm | <200ppm | USP | ||
≤200ppm | <200ppm | USP | ||
≤30ppm | <30ppm | USP | ||
Mesh | 30 | Conform | USP | |
Pilling up density | ≥0.50g/ml | 0.61g/ml | USP | |
Plate count | ≤1000/g | <1000/g | USP | |
Yeast | ≤100/g | <100/g | USP | |
Mold | ≤100/g | <100/g | USP | |
E.Coli | Negative | --- | USP | |
Salmonella | Negative | --- | USP | |
Conclusion | Conforms to the standard. |