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19-3300

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
EC Number:
201-159-0
UNSPSC Code:
12352115
PubChem Substance ID:
329751842
Beilstein/REAXYS Number:
741880
MDL number:
MFCD00011648
Assay:
≥99.0%
Grade:
JIS special grade
Bp:
80 °C (lit.)
Vapor pressure:
71 mmHg ( 20 °C)
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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

dilution

(for analytical testing)

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

Signal Word

Danger

Hazard Codes

H225,H319,H336

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

PPE (personal protective equipment)

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

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