Basic information Content analysis As a flavor ingredient Safety Related Supplier
Acetoin Structure

Acetoin

Chemical Properties

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)

Safety Information

Hazard Codes  Xi,F
Risk Statements  10-36/38-38-11
Safety Statements  26-36-36/37
RIDADR  UN 2621 3/PG 3
WGK Germany  1
RTECS  EL8790000
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29144090
Hazardous Substances Data 513-86-0(Hazardous Substances Data)
Toxicity skn-rbt 500 mg/24H MOD CNREA8 33,3069,73

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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