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A17951

Sigma-Aldrich

Acetoin

May exist as crystalline dimer

Sinonimo/i:

3-Hydroxy-2-butanone, Acetylmethylcarbinol

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About This Item

Formula condensata:
CH3COCH(OH)CH3
Numero CAS:
513-86-0
Peso molecolare:
88.11
Beilstein:
385636
Numero CE:
208-174-1
Numero MDL:
MFCD00004521
Codice UNSPSC:
12352100
ID PubChem:
24890588
NACRES:
NA.22

Livello qualitativo

100

Saggio

≥98.0% (GC)

Stato

crystals

Indice di rifrazione

n20/D 1.417 (lit.)

P. ebollizione

148 °C (lit.)

Punto di fusione

15 °C (monomer)
90 °C (dimer) (lit.)

Densità

1.013 g/mL at 25 °C (lit.)

Allergene alimentare

no known allergens

Temperatura di conservazione

2-8°C

Stringa SMILE

CC(O)C(C)=O

InChI

1S/C4H8O2/c1-3(5)4(2)6/h3,5H,1-2H3
ROWKJAVDOGWPAT-UHFFFAOYSA-N

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Pittogrammi

FlameCorrosion
GHS02,GHS05

Avvertenze

Danger

Indicazioni di pericolo

H226,H318

Classi di pericolo

Eye Dam. 1 - Flam. Liq. 3

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

118.4 °F - closed cup

Punto d’infiammabilità (°C)

48 °C - closed cup

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
MKCN0360
MKCM4410
MKCM3039
MKCM1015
MKCL5469

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2,3-Butanedione analytical standard

Supelco

11038

2,3-Butanedione

2,3-Butanedione 97%

Sigma-Aldrich

B85307

2,3-Butanedione

2,3-Pentanedione analytical standard

Supelco

69043

2,3-Pentanedione

(2S,3S)-(+)-2,3-Butanediol 97%

Sigma-Aldrich

300349

(2S,3S)-(+)-2,3-Butanediol

1-esanolo reagent grade, 98%

Sigma-Aldrich

H13303

1-esanolo

meso-2,3-Butanediol 99%

Sigma-Aldrich

361461

meso-2,3-Butanediol

(2R,3R)-(−)-2,3-Butanediol 97%

Sigma-Aldrich

237639

(2R,3R)-(−)-2,3-Butanediol

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
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
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
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-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde

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