| Certificates/Standards: | N; |
| Monthly Output: | Not provided |
| Regional: | - |
| Packaging Information: | Not provided |
| Mode Of Payment: | Not provided |
| Delivery Lead Time: | Not provided |
| Main Sales Markets: | North America，Central/South America，Western Europe，Eastern Europe，Australasia，Asia，Middle East，Africa |
| Sample Provided: | No |
| Sample Policy: | Not provided |
| Minimum Quantity: | Not provided |
Product name： 2-Ketoglutaric acid
Characters： colorless crystal or white crystalline powder.
Use： 2-Ketoglutaric acid is an important metabolic intermediate for microorganism tricarboxylic acid cycle. It is mainly used in food and beverage industries as sour agent and flavoring agent. In chemical industry, it can be used in synthesizing various industrial materials.
General Features： Molecular formula: C5H6O5 Molecular weight: 146.11 CAS No.: 328-50-7
Packaging： 25kg bag, 50 pound bag, 500kg bag, 1000kg bag.
Storage： keep in airtight, shading, dry and cool place.
Quality： BP98, USP24, enterprise standard, etc.
2-Ketoglutaric acidStandard：
| Test item | Enterprise standard | BP2009 | USP32 | FCC7 | E330 | JSFA8.0 | GB 1987－2007 |
| Properties | white crystal or white crystalline powder | ||||||
| Identification | Pass test | ||||||
| Clarity and color | Pass test | Pass test | Pass test | / | / | / | / |
| Light transmittance | ≥98.0% | / | / | / | / | / | ≥95.0% |
| Moisture | 7.50%～8.80% | 7.5%～9.0% | 7.5%～9.0% | ≤8.8% | ≤8.8% | ≤8.8% | 7.5%～9.0% |
| Content | 99.5%～100.5% | 99.5%～100.5% | 99.5%～100.5% | 99.5%～100.5% | ≥99.5% | ≥99.5% | 99.5%～100.5% |
| Readily carbonizable substance | ≤1.40B·U | lower than standard | lower than standard | A≤0.52;T%≥30 | lower than standard | lower than standard | ≤1.0 |
| Calcium salt | ≤0.001% | ／ | ／ | ／ | ／ | Pass test | ≤0.02% |
| Ferric salt | ≤1mg/kg | ／ | ／ | ／ | ／ | ／ | ≤5mg/kg |
| Chloride | ≤0.0005％ | ／ | ／ | ／ | ／ | ／ | ≤0.005％ |
| Sulfate | ≤0.002% | ≤150ppm | ≤0.015% | ／ | ／ | ≤0.048% | ≤0.015% |
| Oxalate | ≤0.002% | ≤360ppm | ≤0.036% | no turbid | ≤100mg/kg | Pass test | ≤0.01% |
| Heavy metal | ≤0.0001% | ≤10ppm | ≤0.001% | ／ | ≤5mg/kg | ≤10mg/kg | ／ |
| Lead | ≤0.5mg/kg | ／ | ／ | ≤0.5mg/kg | ≤1mg/kg | / | ≤0.5mg/kg |
| Aluminum | ≤0.2mg/kg | ≤0.2ppm | ≤0.2mg/kg | ／ | ／ | / | ／ |
| Arsenic | ≤0.2mg/kg | ／ | ／ | ／ | ≤1mg/kg | ≤4mg/kg | ≤1mg/kg |
| Mercury | ≤0.1mg/kg | ／ | ／ | ／ | ≤1mg/kg | / | ／ |
| Sulphated ash | ≤0.03％ | ≤0.1％ | ≤0.1％ | ≤0.05％ | ≤0.05％ | ≤0.10％ | ≤0.05％ |
| Water insoluble matter | conforms with regulation | ／ | ／ | ／ | ／ | / | conforms with regulation |
| Bacterial endotoxin | ≤0.5IU／mg | ≤0.5IU／mg | Pass test | ／ | ／ | / | ／ |
| Trilaurylamine | ／ | ／ | ／ | ／ | ／ | / | ／ |
| Multiring hydrocarbon | ≤0.05(260-350nm) | ／ | ／ | ／ | ／ | ≤0.05(260-350nm) | ／ |
| Pyruvic acid | Pass test | ／ | ／ | ／ | ／ | Pass test | ／ |
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