Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

Safety Information

110256

Sigma-Aldrich

5-Methyl-2-hexanone

99%

Synonym(s):

Isobutylacetone, Isopentyl methyl ketone

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

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

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

Looking for similar products? Visit Product Comparison Guide

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H332

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

110256-5G:
110256-BULK:
110256-100G:
110256-1KG:
110256-VAR:
110256-3KG:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
11505KS
10607TG
09124CF
07820LN
07727LI

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service