2-Oxobutyric acid
ALDRICH/W372307 - ≥95%, FG
Synonym: 2-Ketobutyric 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
| agency | follows IFRA guidelines |
| application(s) | flavors and fragrances |
| assay | ≥95% |
| biological source | synthetic |
| bp | 84 °C/20 mmHg (lit.) |
| documentation | see Safety & Documentation for available documents |
| food allergen | no known allergens |
| fragrance allergen | no known allergens |
| grade | FG |
| Fragrance grade | |
| Kosher | |
| InChI | 1S/C4H6O3/c1-2-3(5)4(6)7/ |
| InChI key | TYEYBOSBBBHJIV-UHFFFAOYSA |
| mp | 30-34 °C (lit.) |
| organoleptic | caramel; creamy; brown; sweet |
| Quality Level | 300 ![]() |
400 ![]() |
|
| reg. compliance | EU Regulation 1223/2009 |
| EU Regulation 1334/2008 & 872/2012 | |
| SMILES string | CCC(=O)C(O)=O |
| storage temp. | 2-8°C |
| General description: | 2-Oxobutyric acid is mainly found in the hydrolysates of proteins, reportedly being formed by the degradation of threonine. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 100, 250 g in poly bottle |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338 + P310 |
| 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 | ≥95% |
| bp | 84 °C/20 mmHg (lit.) |
| mp | 30-34 °C (lit.) |
| Storage Temp. | 2-8°C |
| FEMA Number | 3723 |
| UNSPSC | 12164502 |


