alpha-ketoglutaric acid
2-oxopentanedioic acid
Identification
| Name | alpha-ketoglutaric acid |
| IUPAC | 2-oxopentanedioic acid |
| CAS Number | 328-50-7 |
| EINECS | 206-330-3 |
| FDA UNII | 8ID597Z82X |
| Molecular Formula | C5 H6 O5 |
| Molecular Weight | 146.09882000 |
| MDL Number | MFCD00004165 |
| Nikkaji Number | J11.847H |
| Beilstein | 1705689 |
| CoE Number | 653 |
Regulatory
| JECFA Food Flavoring | 634 2-oxopentanedioic acid |
| DG SANTE Food Flavourings | 08.037 2-oxo-glutaric acid |
| FEMA Number | 3891 |
| FDA | No longer provide for the use of these seven synthetic flavoring substances |
| FDA Mainterm (SATF) | 328-50-7 ; 2-OXOPENTANEDIOIC ACID |
Physical Properties
| Appearance | white to pale yellow crystals (est) |
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Melting Point | 114.00 to 116.00 °C. @ 760.00 mm Hg |
| Boiling Point | 323.00 °C. @ 760.00 mm Hg |
| Vapor Pressure | 0.000010 mmHg @ 25.00 °C. (est) |
| Flash Point | 351.00 °F. TCC ( 177.00 °C. ) (est) |
| logP (o/w) | -1.430 |
| Shelf Life | 12.00 month(s) or longer if stored properly. |
| Storage | refrigerate in tightly sealed containers. |
| Soluble in | water, 1e+006 mg/L @ 25 °C (est) |
Cosmetic Information
| CosIng | cosmetic data |
| Cosmetic Uses | deodorants |
Organoleptic Properties
| Odor Description | odorless |
Safety Information
| Preferred SDS | View |
| European information | Most important hazard(s): |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | flavoring agents |
| Recommendation for alpha-ketoglutaric acid usage levels up to | not for fragrance use. |
| Maximised Survey-derived Daily Intakes (MSDI-EU) | ND (μg/capita/day) |
| baked goods | - |
| beverages(nonalcoholic) | 0.10000 |
| beverages(alcoholic) | - |
| breakfast cereal | - |
| cheese | 0.50000 |
| chewing gum | - |
| condiments / relishes | - |
| confectionery froastings | - |
| egg products | - |
| fats / oils | 0.40000 |
| fish products | - |
| frozen dairy | 1.00000 |
| fruit ices | - |
| gelatins / puddings | - |
| granulated sugar | - |
| gravies | - |
| hard candy | - |
| imitation dairy | - |
| instant coffee / tea | - |
| jams / jellies | - |
| meat products | - |
| milk products | 0.50000 |
| nut products | - |
| other grains | - |
| poultry | - |
| processed fruits | 0.10000 |
| processed vegetables | - |
| reconstituted vegetables | - |
| seasonings / flavors | - |
| snack foods | - |
| soft candy | - |
| soups | 0.10000 |
| sugar substitutes | - |
| sweet sauces | - |
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