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
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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M Otsuka et al.
Journal of chromatography, 577(2), 215-220 (1992-06-10)
Acetoin was quantitatively oxidized into diacetyl by Fe3+ in 1 M perchloric acid. The reaction of diacetyl with 4,5-dichloro-1,2-diaminobenzene afforded 6,7-dichloro-2,3-dimethylquinoxaline (DCDMQ), which was extracted by benzene containing aldrin (25 ng/ml) as an internal standard, and determined by gas chromatography
Maria del Pilar Marquez-Villavicencio et al.
PloS one, 6(8), e22974-e22974 (2011-08-31)
Pectobacterium species are necrotrophic bacterial pathogens that cause soft rot diseases in potatoes and several other crops worldwide. Gene expression data identified Pectobacterium carotovorum subsp. carotovorum budB, which encodes the α-acetolactate synthase enzyme in the 2,3-butanediol pathway, as more highly
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.
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
Matthew J Stasiewicz et al.
Applied and environmental microbiology, 77(15), 5294-5306 (2011-06-15)
The organic acids lactate and diacetate are commonly used in combination in ready-to-eat foods because they show synergistic ability to inhibit the growth of Listeria monocytogenes. Full-genome microarrays were used to investigate the synergistic transcriptomic responses of two L. monocytogenes
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