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103128

Sigma-Aldrich

2-Methyl-3-heptanone

99%

Synonym(s):

Butyl isopropyl ketone

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About This Item

Linear Formula:
CH3(CH2)3COCH(CH3)2
CAS Number:
13019-20-0
Molecular Weight:
128.21
EC Number:
235-877-0
MDL number:
MFCD00009481
UNSPSC Code:
12352100
PubChem Substance ID:
24846595
NACRES:
NA.22

Assay

99%

refractive index

n20/D 1.411 (lit.)

bp

158-160 °C (lit.)

density

0.816 g/mL at 25 °C (lit.)

SMILES string

CCCCC(=O)C(C)C

InChI

1S/C8H16O/c1-4-5-6-8(9)7(2)3/h7H,4-6H2,1-3H3

InChI key

XYYMFUCZDNNGFS-UHFFFAOYSA-N

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General description

2-Methyl-3-heptanone is a colorless to light yellow liquid. It is one of the trace taste- and odor-causing organic compounds present in natural water.

Application

2-Methyl-3-heptanone was used as an internal standard in dynamic headspace sampling, direct solvent extraction and vacuum simultaneous steam distillation–solvent extraction for sample preparation in volatile compound analysis in Thai soy sauce. It was used as an internal standard in the identification of volatile flavor compounds of stored nonfat dry milk using gas chromatography-olfactometry and aroma extract dilution analysis.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

109.4 °F - closed cup

Flash Point(C)

43 °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

JAN Code

103128-BULK:
103128-VAR:
103128-25G:
103128-500G:
103128-5G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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