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W391018

Sigma-Aldrich

Cyclopentanone

≥99%, FG

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Synonym(s):
Adipic ketone, Dumasin, Ketopentamethylene
Linear Formula:
C5H8(=O)
CAS Number:
Molecular Weight:
84.12
FEMA Number:
3910
Beilstein:
605573
EC Number:
MDL number:
PubChem Substance ID:
Flavis number:
7.149
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 872/2012
FDA 21 CFR 110

Assay

≥99%

refractive index

n20/D 1.437 (lit.)

bp

130-131 °C (lit.)

mp

−51 °C (lit.)

density

0.951 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

minty

SMILES string

O=C1CCCC1

InChI

1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2

InChI key

BGTOWKSIORTVQH-UHFFFAOYSA-N

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1 of 4

This Item
C112402082998.02670
Cyclopentanone ≥99%, FG

Sigma-Aldrich

W391018

Cyclopentanone

Cyclopentanone ReagentPlus®, ≥99%

Sigma-Aldrich

C112402

Cyclopentanone

Cyclopentanone analytical standard

Supelco

08299

Cyclopentanone

Cyclopentanone for synthesis

Sigma-Aldrich

8.02670

Cyclopentanone

grade

FG, Fragrance grade, Halal, Kosher

grade

-

grade

analytical standard

grade

-

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

-

agency

-

agency

-

assay

≥99%

assay

≥99%

assay

≥99.5% (GC)

assay

≥99.0% (GC)

refractive index

n20/D 1.437 (lit.)

refractive index

n20/D 1.437 (lit.)

refractive index

n20/D 1.437 (lit.)

refractive index

-

bp

130-131 °C (lit.)

bp

130-131 °C (lit.)

bp

130-131 °C (lit.)

bp

131 °C/1013 hPa

General description

Cyclopentanone is a cyclic ketone that occurs in allium species, beef, cheese, and chicken. It is generally used as a fragrance ingredient in fragrances and in non-cosmetic products.

Other Notes

Handle and store under inert gas.

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

86.0 °F - closed cup

Flash Point(C)

30 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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25G
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MMYOMAG-74K-13

1000309185

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Fragrance material review on cyclopentanone.
Scognamiglio J, et al.
Food And Chemical Toxicology, 50, S608-S612 (2012)
Hui Ming Ge et al.
Journal of the American Chemical Society, 134(30), 12323-12325 (2012-07-18)
The first total synthesis of (-)-lannotinidine B, a unique tetracyclic constitutent of Lycopodium annotinum, has been accomplished in 10 steps with 23% overall yield. The completed short and efficient synthesis is characterized with three highly chemo- and/or stereoselective reductive-amination steps
Fulong Li et al.
The Journal of organic chemistry, 76(8), 2820-2827 (2011-03-11)
To turn side products into major products, a novel strategy to access biologically active 4-aminocyclopent-2-enones was developed. These compounds were originally identified as side products but became major products when 3,5-dimethylpyran-3,4-diol 7a was used as the substrate and 30% InBr(3)
Piotr Neumann et al.
Plant physiology, 160(3), 1251-1266 (2012-09-19)
In plants, oxylipins regulate developmental processes and defense responses. The first specific step in the biosynthesis of the cyclopentanone class of oxylipins is catalyzed by allene oxide cyclase (AOC) that forms cis(+)-12-oxo-phytodienoic acid. The moss Physcomitrella patens has two AOCs
Detoxification without intoxication: herbicide safeners activate plant defense gene expression.
Dean E Riechers et al.
Plant physiology, 153(1), 3-13 (2010-03-20)

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