2-Ketoglutaric acid for Nutrition supplements CAS 328-50-7
2-Ketoglutaric acid Basic information | |
Product Name: | 2-Ketoglutaric acid |
CAS: | 328-50-7 |
MF: | C5H6O5 |
MW: | 146.1 |
EINECS: | 206-330-3 |
2-Ketoglutaric acid Chemical Properties | |
Melting point | 113-115 °C |
Boiling point | 185.67°C (rough estimate) |
density | 1.2821 (rough estimate) |
FEMA | 3891 | 2-OXOPENTANEDIOIC ACID |
refractive index | 1.3920 (estimate) |
storage temp. | 2-8°C |
solubility | H2O: soluble0.1g/mL, clear, colorless |
pka | 2.47(at 25ºC) |
form | Crystalline Powder |
color | White to slightly yellow |
Odor | Odorless |
Items | Standards | Results |
Appearance | White or off-white powder | Off-white powder |
Identification | By HPLC | Complies |
Melting Point | 120ºC~130ºC | 126ºC |
Loss on Drying | ≤1.00% | 0.0021 |
Heavy Metals | ≤ 10ppm | Complies |
Sulfated Ash | ≤ 0.10% | 0.0003 |
Content | 17.5%~19.5% | 0.193 |
Lead VContent | ≤ 3.0ppm | 0.50ppm |
Related Substances | Impurity A: ≤0.30% | 0.0018 |
Other unknown impurity: ≤0.10% | 0.0007 | |
Total Impurities: ≤0.50% | 0.0042 | |
Assay | ≥ 98.0% | 0.995 |