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Merck
CN

110264

2-Butanone

ReagentPlus®, ≥99%

Synonym(s):

Ethyl methyl ketone, MEK, Methyl ethyl ketone

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About This Item

Linear Formula:
C2H5COCH3
CAS Number:
78-93-3
Molecular Weight:
72.11
UNSPSC Code:
12352115
NACRES:
NA.21
PubChem Substance ID:
329749285
EC Number:
201-159-0
Beilstein/REAXYS Number:
741880
MDL number:
MFCD00011648
Assay:
≥99%
Bp:
80 °C (lit.)
Vapor pressure:
71 mmHg ( 20 °C)

Key Documents

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Product Name

2-Butanone, ReagentPlus®, ≥99%

Quality Level

200

InChI key

ZWEHNKRNPOVVGH-UHFFFAOYSA-N

InChI

1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3

SMILES string

CC(CC)=O

vapor density

2.49 (vs air)

vapor pressure

71 mmHg ( 20 °C)

product line

ReagentPlus®

assay

≥99%

form

liquid

autoignition temp.

960 °F

expl. lim.

10.1 %

dilution

(for general lab use)

refractive index

n20/D 1.379 (lit.)

bp

80 °C (lit.)

mp

−87 °C (lit.)

density

0.805 g/mL at 25 °C (lit.)

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Application


  • Lipid and Volatile Profiles of Finnish Oat Batches of Pure Cultivars: Investigates the effects of storage on volatile formation including 2-Butanone in food processing, which is significant for food scientists and researchers looking into food preservation and flavor profiling (Puganen et al., 2024).

  • Changes in Volatile Compounds and Lipid Oxidation in Various Tissues of Nile Tilapia During Ice Storage: Examines the impact of storage on the volatile compound profiles of seafood, including 2-Butanone, valuable for food scientists and technologists working with seafood preservation and quality assessment (Karbsri et al., 2024).

General description

2-Butanone, also known as methyl ethyl ketone (MEK), is a commonly used organic solvent. Due to its low boiling point, low viscosity, ability to accommodate high solid concentrations, and wide diluent tolerance, it has wide applications in the polymer industry and as a solvent in adhesives and paints.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

30.2 °F - closed cup

flash_point_c

-1 °C - closed cup

Regulatory Information

易制毒化学品（3类）
危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBT3909
SHBT2322
SHBT0188
SHBS6424
SHBS4538

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"Identification of chemical interferences in aldehyde and ketone determination using dual-wavelength detection"
Analytical Chemistry, 68(19), 3354- 3358 (1996)
2-Butanone
Hoell D, et al.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
Ionic-liquid-supported organocatalyst: efficient and recyclable ionic-liquid-anchored proline for asymmetric aldol reaction
Miao W and Chan TH
Advanced Synthesis & Catalysis, 348(12-13), 1711-1718 (2006)
S G Carmella et al.
Cancer research, 53(4), 721-724 (1993-02-15)
Metabolites of the tobacco-specific nitrosamine, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone, a potent pulmonary carcinogen, have been quantified in the urine of 11 smokers. They were not detected in nonsmokers' urine. The metabolites, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol and its glucuronide, were detected in quantities of 0.23-1.0 and 0.57-6.5
L B Goldsmith et al.
Contact dermatitis, 19(5), 348-350 (1988-11-01)
Irritant contact dermatitis along with an increased transepidermal water loss can result from exposing the skin to solvents. A study of the interaction of various solvents with human stratum corneum was made using thin-layer chromatography. Comparison of 10 solvents (trichloroethylene
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