Melting point: |
15 °C (monomer) |
Boiling point: |
148 °C(lit.) |
Density |
1.013 g/mL at 25 °C(lit.) |
vapor pressure |
86hPa at 20℃ |
FEMA |
2008 | ACETOIN |
refractive index |
n20/D 1.417(lit.) |
Flash point: |
123 °F |
storage temp. |
2-8°C |
solubility |
All forms are miscible with water, alcohol, Propylene glycol, Glycerine and common flavor materials. Poorly soluble in hydrocarbons. |
form |
Liquid (Monomer) or Powder or Crystals (Dimer) |
pka |
13.21±0.20(Predicted) |
color |
Pale yellow to green-yellow or white to yellow |
Odor |
Intensely creamy-fatty-buttery, penetrating odor, yet milder and less “quinone’’-like than Diacetyl, not as sharp or volatile. Pleasant in extreme dilution. |
Odor Type |
buttery |
Water Solubility |
H2O: 0.1g/mL, clear |
JECFA Number |
405 |
Merck |
14,64 |
BRN |
385636 |
Stability: |
Hygroscopic |
InChIKey |
ROWKJAVDOGWPAT-UHFFFAOYSA-N |
LogP |
0.1 at 25℃ |
CAS DataBase Reference |
513-86-0(CAS DataBase Reference) |
NIST Chemistry Reference |
2-Butanone, 3-hydroxy-(513-86-0) |
EPA Substance Registry System |
2-Butanone, 3-hydroxy- (513-86-0) |