Product Name | High Quality 2-Ketoglutaric acid / 2-OXOGLUTARIC ACID / CAS 328-50-7 |
CAS NO. | 328-50-7 |
Appearance | White Powder |
Purity | 99% |
Melting Point | 113-115 °C |
Boiling Point | 185.67°C |
Density | 1.2821 |
Application | Chemical intermediate; Chemical reagents; Organic chemical raw materials; Amino acid raw materials; Organic block; Active pharmaceutical ingredients |
Usage | 2-Ketoglutaric acid is used as raw material and food additive for medicine and health care products. |
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. |