Home Categories Organic Chemistry Acetoin
A0667312

Acetoin , 97%, may exist in crystal dilate , 513-86-0

Synonym(s):
3-Hydroxy-2-butanone;Acetyl methyl carbinol, Acetoin;Acetylmethylcarbinol

CAS NO.:513-86-0

Empirical Formula: C4H8O2

Molecular Weight: 88.11

MDL number: MFCD00004521

EINECS: 208-174-1

Update time: 2022-07-08

PRODUCT 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.
pka 13.21±0.20(Predicted)
form  Liquid (Monomer) or Powder or Crystals (Dimer)
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
Merck  14,64
JECFA Number 405
BRN  385636
Stability: Hygroscopic
InChIKey ROWKJAVDOGWPAT-UHFFFAOYSA-N
LogP 0.1 at 25℃

Description and Uses

Used as pharmaceutical intermediates, food spices; mainly for the preparation of cream, dairy, yogurt and strawberry spices.

Safety

Symbol(GHS) 
GHS02,GHS05
Signal word  Danger
Hazard statements  H226-H318
Precautionary statements  P210-P233-P240-P241-P280-P305+P351+P338
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
Toxicity skn-rbt 500 mg/24H MOD CNREA8 33,3069,73

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