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2-Ketoglutaric acid Basic information Product Name: 2-Ketoglutaric acid Synonyms: 2-KETOGLUTARIC ACID;2-OXOGLUTARIC ACID;2-OXOPENTANEDIOIC ACID;A-KETOGLUTARIC ACID;Glutaric acid, 2-oxo-;Glutaric acid, alpha keto;-Ketoglutaricacid;α-Ketoglutaricacid CAS: 328-50-7 MF: C5H6O5 MW: 146.1 EINECS: 206-330-3 Product Categories: Nutrition;food additives;Pharmaceutical Intermediates;Aliphatics;Organic acids;pharm raw material;Amino Acids;Food Additives;bc0001;328-50-7 Mol File: 328-50-7.mol   2-Ketoglutaric acid Chemical Properties Melting point 113-115 °C Boiling point 185.67°C (rough estimate) 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 14,5303 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)   Safety Information Hazard Codes Xi,T Risk Statements 37/38-41-36/37/38-23/24/25 Safety Statements 26-39-45-36/37/39 WGK Germany 3 TSCA Yes HS Code 29183000