A17951
Acetoin
May exist as crystalline dimer
Synonym(s):
3-Hydroxy-2-butanone, Acetylmethylcarbinol
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About This Item
Linear Formula:
CH3COCH(OH)CH3
CAS Number:
Molecular Weight:
88.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-174-1
Beilstein/REAXYS Number:
385636
MDL number:
Assay:
≥98.0% (GC)
Form:
crystals
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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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Liq. 3
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
118.4 °F - closed cup
flash_point_c
48 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Ranjita Biswas et al.
Applied microbiology and biotechnology, 94(3), 651-658 (2012-03-01)
Production of 2,3-butanediol by Bacillus subtilis takes place in late-log or stationary phase, depending on the expression of bdhA gene encoding acetoin reductase, which converts acetoin to 2,3-butanediol. The present work focuses on the development of a strain of B.
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