360473
Sigma-Aldrich

2-Butanone

ACS reagent, ≥99.0%

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Synonym

MEK

Ethyl methyl ketone

Methyl ethyl ketone

Molecular Formula

C₂H₅COCH₃

Molecular Weight

72.11

CAS Number

78-93-3

Beilstein Registry Number

741880

MDL number

MFCD00011648

PubChem Substance ID

24862162

EG/EC Number

201-159-0

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Descriptions

Packaging

20 L in steel drum

500, 6×500 mL in glass btl

1, 6×1, 2, 4, 4×4 L in glass btl

Properties

grade

ACS reagent

vapor density

2.49 (vs air)

vapor pressure

71 mmHg ( 20 °C)

assay

≥99.0%

autoignition temp.

960 °F

expl. lim.

10.1 %

total impurities

≤0.0005 meq/g Titr. acid

≤0.20% water

evapn. residue

≤0.0025%

color

≤15(APHA)

refractive index

n20/D 1.379(lit.)

80 °C(lit.)

−87 °C(lit.)

density

0.805 g/mL at 25 °C(lit.)

References

Merck

Merck 13,6097

Beilstein

Beil. 1,IV,3243

Fieser

Fieser 1,678

reference

Aldrich MSDS 1, 305:B / Arctander, 2020 / Corp MSDS 1 (1), 606:C / FT-IR 2 (1), 640:C / FT-IR 1 (1), 405:B / FT-NMR 1 (1), 631:C / Fenaroli, 183 / IR-Spectra (3), 240:B / IR-Spectra (2), 214:B / NMR-Reference 2 (1), 369:B / RegBook 20 (1), 447:D / RegBook 1 (1), 447:D / Sax 6, 549 / Sigma FT-IR 1 (2), 730:D / Structure Index 1, 64:D:1 / Vapor Phase 3, 487:B

Safety

Hazard Codes

F,Xi

Risk Statements

11-36-66-67

Safety Statements

9-16

RIDADR

UN1193 3/PG 2

WGK Germany

RTECS

EL6475000

UEL

10.10%(V)

LEL

1.80%(V)

Flash Point(F)

30.2 °F

Flash Point(C)

-1 °C

Related Categories

... Amber Glass Bottles > ACS Grade

... Carbon Steel Flex-Spout Cans > ACS Grade

... Solvents > ACS Grade Solvents

MSDS

Specification Sheet

Certificate of Analysis

Certificate of Origin

More Information