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19-3300

Sigma-Aldrich

2-Butanone

JIS special grade, ≥99.0%

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
Beilstein/REAXYS Number:
741880
EC Number:
201-159-0
MDL number:
MFCD00011648
UNSPSC Code:
12352115
PubChem Substance ID:
329751842

grade

JIS special grade

vapor density

2.49 (vs air)

vapor pressure

71 mmHg ( 20 °C)

assay

≥99.0%

form

liquid

autoignition temp.

960 °F

expl. lim.

10.1 %

availability

available only in Japan

refractive index

n20/D 1.379 (lit.)

bp

80 °C (lit.)

mp

−87 °C (lit.)

density

0.805 g/mL at 25 °C (lit.)

SMILES string

CC(CC)=O

InChI

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

InChI key

ZWEHNKRNPOVVGH-UHFFFAOYSA-N

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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_germany

WGK 1

flash_point_f

30.2 °F - closed cup

flash_point_c

-1 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

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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
Sherille D Bradley et al.
Cancer immunology research, 3(6), 602-609 (2015-03-22)
Oncogene activation in tumor cells induces broad and complex cellular changes that contribute significantly to disease initiation and progression. In melanoma, oncogenic BRAF(V600E) has been shown to drive the transcription of a specific gene signature that can promote multiple mechanisms
Jeong-Hwan Yoon et al.
Nature communications, 6, 7600-7600 (2015-07-22)
Transforming growth factor-β (TGF-β) and interleukin-6 (IL-6) are the pivotal cytokines to induce IL-17-producing CD4(+) T helper cells (TH17); yet their signalling network remains largely unknown. Here we show that the highly homologous TGF-β receptor-regulated Smads (R-Smads): Smad2 and Smad3
L Schafranek et al.
Leukemia, 29(1), 76-85 (2014-05-13)
Kinase inhibitors block proliferative signals in BCR-ABL1+ leukemic cells, but their capacity to induce apoptosis is poorly understood. Initial studies suggested that very brief exposure to kinase inhibitors was sufficient to induce apoptosis in chronic myeloid leukemia (CML) cells. However
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