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Key Documents

110256

Sigma-Aldrich

5-Methyl-2-hexanone

99%

Synonym(s):

Isobutylacetone, Isopentyl methyl ketone

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About This Item

Linear Formula:
(CH3)2CHCH2CH2COCH3
CAS Number:
Molecular Weight:
114.19
Beilstein:
506163
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

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.)

bp

145 °C (lit.)
145 °C

density

0.814 g/mL at 25 °C (lit.)

SMILES string

CC(C)CCC(C)=O

InChI

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

InChI key

FFWSICBKRCICMR-UHFFFAOYSA-N

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Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

104.0 °F - closed cup

Flash Point(C)

40 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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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