| Melting point |
11-12 °C (lit.) |
| Boiling point |
165 °C (lit.) |
| Density |
1.267 g/mL at 25 °C (lit.) |
| vapor pressure |
1.72hPa at 25℃ |
| refractive index |
n20/D 1.428(lit.) |
| FEMA |
2970 | PYRUVIC ACID |
| Flash point |
183 °F |
| storage temp. |
2-8°C |
| solubility |
Miscible with chloroform and methanol. |
| pka |
2.39(at 25℃) |
| form |
Liquid |
| color |
Clear colorless to light yellow or amber |
| PH |
3.11(1 mM solution);2.38(10 mM solution);1.79(100 mM solution); |
| Odor |
at 1.00 % in propylene glycol. sharp sour acetic caramellic |
| Odor Type |
acidic |
| biological source |
synthetic |
| Water Solubility |
H2O: miscible
alcohol: miscible
diethyl ether: miscible |
| JECFA Number |
936 |
| Merck |
14,8021 |
| BRN |
506211 |
| Henry's Law Constant |
3.1×103 mol/(m3Pa) at 25℃, Burkholder et al. (2019) |
| Stability |
Stable. Combustible. Incompatible with strong oxidizing agents, strong bases. Refrigerate. |
| Major Application |
flavors and fragrances |
| Cosmetics Ingredients Functions |
FRAGRANCE |
| InChI |
1S/C3H4O3/c1-2(4)3(5)6/h1H3,(H,5,6) |
| InChIKey |
LCTONWCANYUPML-UHFFFAOYSA-N |
| SMILES |
CC(=O)C(O)=O |
| LogP |
-1.24 |
| Dissociation constant |
2.49 at 25℃ |
| CAS DataBase Reference |
127-17-3(CAS DataBase Reference) |
| NIST Chemistry Reference |
Pyruvic acid(127-17-3) |
| EPA Substance Registry System |
Propanoic acid, 2-oxo- (127-17-3) |
