2-Ketobutyric acid
ALDRICH/K401 - 97%
Synonym: 2-Oxobutanoic acid; 2-Oxobutyric acid; α-Ketobutyric acid; Propionylformic acid
CAS Number: 600-18-0
Empirical Formula (Hill Notation): C4H6O3
Molecular Weight: 102.09
EC Number: 209-986-9
MDL Number: MFCD00004164
Linear Formula: CH3CH2COCOOH
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: K401-25G
| assay | 97% |
| bp | 84 °C/20 mmHg (lit.) |
| form | liquid |
| InChI | 1S/C4H6O3/c1-2-3(5)4(6)7/ |
| InChI key | TYEYBOSBBBHJIV-UHFFFAOYSA |
| mp | 30-34 °C (lit.) |
| SMILES string | CCC(=O)C(O)=O |
| storage temp. | 2-8°C |
| Application: | 2-Ketobutyric acid can be used as a reactant to synthesize: • (S)-2-Aminobutyric acid via enzyme-catalyzed amination reaction. • L-Isoleucine by living cell reaction in the presence of ethanol. • 3-Ethyl-2-quinoxalinol from 1,2-diaminobenzene in the presence of sulfuric acid. • 3-Ethylbenzo[g]quinoxalin-2(1H)-one using 2,3-diaminonaphthalene in the presence of biocatalyst. |
| Packaging: | 5, 10, 25 g in glass bottle |
| Symbol |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36/37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | 177.8 °F |
| Flash Point(C) | 81 °C |
| Purity | 97% |
| bp | 84 °C/20 mmHg (lit.) |
| mp | 30-34 °C (lit.) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |