A17951
Acetoin
May exist as crystalline dimer
Synonym(s):
3-Hydroxy-2-butanone, Acetylmethylcarbinol
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All Photos(4)
About This Item
Linear Formula:
CH3COCH(OH)CH3
CAS Number:
Molecular Weight:
88.11
Beilstein:
385636
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
≥98.0% (GC)
form
crystals
refractive index
n20/D 1.417 (lit.)
bp
148 °C (lit.)
mp
15 °C (monomer)
90 °C (dimer) (lit.)
density
1.013 g/mL at 25 °C (lit.)
food allergen
no known allergens
storage temp.
2-8°C
SMILES string
CC(O)C(C)=O
InChI
1S/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3
InChI key
ROWKJAVDOGWPAT-UHFFFAOYSA-N
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3
Storage Class Code
3 - Flammable liquids
WGK
WGK 1
Flash Point(F)
118.4 °F - closed cup
Flash Point(C)
48 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Zhen Liu et al.
Bioresource technology, 102(22), 10741-10744 (2011-09-29)
Production of highly pure (2S,3S)-2,3-butanediol ((2S,3S)-2,3-BD) and (3S)-acetoin ((3S)-AC) in high concentrations is desirable but difficult to achieve. In the present study, glucose was first transformed to a mixture of (2S,3S)-2,3-BD and meso-2,3-BD by resting cells of Klebsiella pneumoniae CICC
Pieter Moons et al.
Applied and environmental microbiology, 77(10), 3422-3427 (2011-03-29)
During fermentation of sugars, a number of bacterial species are able to switch from mixed acid production to acetoin and 2,3-butanediol production in order to avoid lethal acidification of their environment, although the regulation of this switch is only poorly
Jian-An Sun et al.
Bioresource technology, 119, 94-98 (2012-06-26)
Cofactor engineering was employed to enhance production of acetoin by Serratia marcescens H32. 2,3-Butanediol was a major byproduct of acetoin fermentation by S. marcescens H32. In order to decrease 2,3-butanediol formation and achieve a high efficiency of acetoin production, nox
E Y Hirooka et al.
International journal of food microbiology, 7(3), 185-191 (1988-12-01)
Seventy-three staphylococcal strains isolated from pyrodermatitis in dogs were classified as Staphylococcus intermedius (52 strains) or Staphylococcus aureus (21 strains) on the basis of acetoin formation, anaerobic mannitol fermentation, aerobic maltose fermentation, pigmentation, coagulation of human plasma, and reaction on
Zijun Xiao et al.
Critical reviews in microbiology, 33(2), 127-140 (2007-06-15)
Acetoin is an important physiological metabolite excreted by many microorganisms. The excretion of acetoin, which can be diagnosed by the Voges Proskauer test and serves as a microbial classification marker, has its vital physiological meanings to these microbes mainly including
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