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Merck
CN

110256

5-Methyl-2-hexanone

99%

Synonym(s):

Isobutylacetone, Isopentyl methyl ketone

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About This Item

Linear Formula:
(CH3)2CHCH2CH2COCH3
CAS Number:
110-12-3
Molecular Weight:
114.19
EC Number:
203-737-8
UNSPSC Code:
12352103
PubChem Substance ID:
329749284
Beilstein/REAXYS Number:
506163
MDL number:
MFCD00008950

Key Documents

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InChI key

FFWSICBKRCICMR-UHFFFAOYSA-N

InChI

1S/C7H14O/c1-6(2)4-5-7(3)8/h6H,4-5H2,1-3H3

SMILES string

CC(C)CCC(C)=O

vapor density

3.94 (vs air)

vapor pressure

4.5 mmHg ( 20 °C)

assay

99%

autoignition temp.

797 °F

expl. lim.

1.35-8.2 %, 93 °F

refractive index

n20/D 1.406 (lit.)

density

0.814 g/mL at 25 °C (lit.)

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pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

hcodes

H226,H332

Hazard Classifications

Acute Tox. 4 Inhalation - Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

104.0 °F - closed cup

flash_point_c

40 °C - closed cup

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
12819PR
11231EQ
09204TQ
08208AR
07123BG

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G V Katz et al.
Fundamental and applied toxicology : official journal of the Society of Toxicology, 6(3), 498-505 (1986-04-01)
Rats were exposed by inhalation, 6 hr/day, 5 days/week, to target vapor concentrations of 2000, 1000, or 0 ppm of methyl isoamyl ketone (MIAK) for 12 exposures spanning 16 days, and 2000, 1000, 200, or 0 ppm for 69 exposures

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