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471194

Sigma-Aldrich

2-Pentanon

suitable for HPLC, 99.5%

Synonym(e):

Methyl-propylketon

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About This Item

Lineare Formel:
CH3COCH2CH2CH3
CAS-Nummer:
107-87-9
Molekulargewicht:
86.13
Beilstein:
506058
EG-Nummer:
203-528-1
MDL-Nummer:
MFCD00009400
UNSPSC-Code:
12190000
PubChem Substanz-ID:
329757291
NACRES:
NA.21

Dampfdruck

27 mmHg ( 20 °C)

Assay

99.5%

Form

liquid

Selbstzündungstemp.

941 °F

Expl.-Gr.

8.2 %

Methode(n)

HPLC: suitable

Verunreinigungen

<0.050% water

Abdampfrückstand

<0.0003%

Brechungsindex

n20/D 1.39 (lit.)

bp

101-105 °C (lit.)

mp (Schmelzpunkt)

−78 °C (lit.)

Löslichkeit

water: 72.6 g/L at 20 °C (OECD Test Guideline 105)

Dichte

0.809 g/mL at 25 °C (lit.)

λ

H2O reference

UV-Absorption

λ: 330 nm Amax: 1.00
λ: 340 nm Amax: 0.10
λ: 350 nm Amax: 0.01
λ: 370-400 nm Amax: 0.005

Anwendung(en)

food and beverages

SMILES String

CCCC(C)=O

InChI

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

InChIKey

XNLICIUVMPYHGG-UHFFFAOYSA-N

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Piktogramme

FlameExclamation mark
GHS02,GHS07

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 1

Flammpunkt (°F)

46.4 °F - closed cup

Flammpunkt (°C)

8 °C - closed cup

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Linus Olofsson et al.
Organic & biomolecular chemistry, 3(5), 750-755 (2005-02-26)
The enantioselective reduction of 2-pentanone to (R)- and (S)-2-pentanol by Thermoanaerobacter (formerly Thermoanaerobium) brockii alcohol dehydrogenase (TBADH) in mixtures of water and water-miscible organic solvents was investigated. Significant enzymatic activity was retained in up to 87% methanol, ethanol and acetonitrile.
Silvina Fadda et al.
FEMS microbiology letters, 228(1), 143-149 (2003-11-13)
In sausage, Staphylococcus carnosus increases the levels of methyl ketones which could arise from incomplete beta-oxidation of fatty acids followed by a decarboxylation. The objective of this work was to characterize the beta-decarboxylase activities in cell-free extract. By using different
F J Kelling et al.
Medical and veterinary entomology, 16(2), 161-169 (2002-07-12)
The presence of background odour was found to have a small but significant effect on the sensitivity of the antennal olfactory system of houseflies, Musca domestica Linnaeus (Diptera: Muscidae), to new pulses of odour. We show that cross-adaptation and cross-sensitization
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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