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| Quantity: | |
|---|---|
328-50-7
futurechemical
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 |
| Mol File: | 328-50-7.mol |
| 2-Ketoglutaric acid Chemical Properties | |
| Melting point | 113-115 °C |
| Boiling point | 185.67°C (rough estimate) |
| bulk density | 800kg/m3 |
| density | 1.2821 (rough estimate) |
| vapor pressure | 0.01Pa at 25℃ |
| refractive index | 1.3920 (estimate) |
| FEMA | 3891 | 2-OXOPENTANEDIOIC ACID |
| storage temp. | 2-8°C |
| solubility | H2O: soluble0.1g/mL, clear, colorless |
| form | Crystalline Powder |
| pka | 2.47(at 25℃) |
| color | White to slightly yellow |
| Odor | Odorless |
| PH | 3.09(1 mM solution);2.36(10 mM solution);1.77(100 mM solution) |
| Water Solubility | Soluble in water, methanol and dimethyl sulfoxide. |
| Merck | 145,303 |
| JECFA Number | 634 |
| BRN | 1705689 |
| InChIKey | KPGXRSRHYNQIFN-UHFFFAOYSA-N |
| LogP | -2.08 at 25℃ |
| CAS DataBase Reference | 328-50-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Oxopentanedioic acid(328-50-7) |
| EPA Substance Registry System | Pentanedioic acid, 2-oxo- (328-50-7) |
检验项目 Test Item | 标准规定 Specification | 结果 Test Result |
外观 Appearance | 白色至浅黄色结晶性粉末 White or off-light yellow crystals powder | Conforms |
含量Assay | ≥98.0% | 99.7% |
透过率Transmittance | ≥97.0% | 98.2% |
铁盐 Iron(Fe) | ≤20ppm | <20ppm |
灼烧残渣 Residue on ignition | ≤0.50% | 0.10% |
重金属 Heavy metal(Pb) | ≤10ppm | <10ppm |
砷盐 Arsenic | ≤3ppm | <3ppm |
干燥失重Loss on drying | ≤0.5% | 0.25% |
熔点Melting point | 113℃～117℃ | 114.9℃～116.2℃ |
纯度 Purity | ≥98.0% | 99.2% |
结论 Conclusion | 本品符合 企业标准。The results conform with manfacturer’s standard. | |
| 2-Ketoglutaric acid Basic information | |
| Product Name: | 2-Ketoglutaric acid |
| CAS: | 328-50-7 |
| MF: | C5H6O5 |
| MW: | 146.1 |
| EINECS: | 206-330-3 |
| Mol File: | 328-50-7.mol |
| 2-Ketoglutaric acid Chemical Properties | |
| Melting point | 113-115 °C |
| Boiling point | 185.67°C (rough estimate) |
| bulk density | 800kg/m3 |
| density | 1.2821 (rough estimate) |
| vapor pressure | 0.01Pa at 25℃ |
| refractive index | 1.3920 (estimate) |
| FEMA | 3891 | 2-OXOPENTANEDIOIC ACID |
| storage temp. | 2-8°C |
| solubility | H2O: soluble0.1g/mL, clear, colorless |
| form | Crystalline Powder |
| pka | 2.47(at 25℃) |
| color | White to slightly yellow |
| Odor | Odorless |
| PH | 3.09(1 mM solution);2.36(10 mM solution);1.77(100 mM solution) |
| Water Solubility | Soluble in water, methanol and dimethyl sulfoxide. |
| Merck | 145,303 |
| JECFA Number | 634 |
| BRN | 1705689 |
| InChIKey | KPGXRSRHYNQIFN-UHFFFAOYSA-N |
| LogP | -2.08 at 25℃ |
| CAS DataBase Reference | 328-50-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Oxopentanedioic acid(328-50-7) |
| EPA Substance Registry System | Pentanedioic acid, 2-oxo- (328-50-7) |
检验项目 Test Item | 标准规定 Specification | 结果 Test Result |
外观 Appearance | 白色至浅黄色结晶性粉末 White or off-light yellow crystals powder | Conforms |
含量Assay | ≥98.0% | 99.7% |
透过率Transmittance | ≥97.0% | 98.2% |
铁盐 Iron(Fe) | ≤20ppm | <20ppm |
灼烧残渣 Residue on ignition | ≤0.50% | 0.10% |
重金属 Heavy metal(Pb) | ≤10ppm | <10ppm |
砷盐 Arsenic | ≤3ppm | <3ppm |
干燥失重Loss on drying | ≤0.5% | 0.25% |
熔点Melting point | 113℃～117℃ | 114.9℃～116.2℃ |
纯度 Purity | ≥98.0% | 99.2% |
结论 Conclusion | 本品符合 企业标准。The results conform with manfacturer’s standard. | |
