Complaint
| 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. | ||
