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W284203

Sigma-Aldrich

2-Pentanone

≥98%, FCC, FG

Synonym(s):

Methyl propyl ketone

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About This Item

Linear Formula:
CH3COCH2CH2CH3
CAS Number:
Molecular Weight:
86.13
FEMA Number:
2842
Beilstein/REAXYS Number:
506058
EC Number:
Council of Europe no.:
754
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
7.054
NACRES:
NA.21

biological source

synthetic

grade

FG
Halal

agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 872/2012
FCC
FDA 21 CFR 172.515

vapor pressure

27 mmHg ( 20 °C)

assay

≥98%

form

liquid

autoignition temp.

941 °F

expl. lim.

8.2 %

impurities

<2.0% 4-methyl-2-pentanone

refractive index

n20/D 1.39 (lit.)

bp

101-105 °C (lit.)

mp

−78 °C (lit.)

solubility

H2O: soluble 72.6 g/L at 20 °C

density

0.809 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

banana; fruity; woody; ethereal; sweet; wine-like

SMILES string

CCCC(C)=O

InChI

1S/C5H10O/c1-3-4-5(2)6/h3-4H2,1-2H3

InChI key

XNLICIUVMPYHGG-UHFFFAOYSA-N

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General description

2-Pentanone is a flavor volatile compound reported in cheddar cheese, ripe bananas and defatted soybean flour.

application


  • Increasing the Dissolution Rate of Polystyrene Waste in Solvent-Based Recycling.: Explores innovative methods for recycling polystyrene using solvents like 2-pentanone to enhance dissolution rates, contributing to sustainable waste management practices (Kol et al., 2024).

Biochem/physiol Actions

Taste at 20 ppm

Other Notes

Natural occurrence: Apple, banana, blue cheese, butter, cheddar cheese, cocoa, cofee, fish, rum, strawberry, Virginia tobacco, whiskey.

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

46.4 °F - closed cup

flash_point_c

8 °C - closed cup

ppe

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


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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Cheddar cheese flavour studies: II. Relative flavour contributions of individual volatile component.
Manning DJ
The Journal of Dairy Research, 46(3), 523-529 (1979)
Studies on flavor components in soybean
Arai S, et al.
Agricultural and Biological Chemistry, 30(9), 863-868 (1966)
Production of volatiles by ripening bananas.
Macku C & Jennings WG
Journal of Agricultural and Food Chemistry, 35(5), 845-848 (1987)
Jenny Pettersson et al.
Biological & pharmaceutical bulletin, 31(3), 534-537 (2008-03-04)
Many phytochemicals found in the diet may prevent colon carcinogenesis by affecting biochemical processes in the colonic mucosa. Inflammation and subsequent elevation of the enzyme cyclooxygenase-2 (COX-2) are two such factors involved in the development of colon cancer, and inhibition
J M Mathews et al.
Toxicology and applied pharmacology, 146(2), 255-260 (1997-11-05)
The effect of trans-1,2-dichloroethylene (DCE), an inhibitor of cytochrome P450 (P450) 2E1 (CYP2E1), on the composition and quantity of volatile organic chemicals (VOCs) expired in the breath of male F-344 rats was determined in parallel with hepatic P450 activity and

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