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676926

Sigma-Aldrich

2-butanone

ACS reagent, ≥99.0%

Sinonimo/i:

Etil metil chetone, MEK, Metil etil chetone

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About This Item

Formula condensata:
C2H5COCH3
Numero CAS:
78-93-3
Peso molecolare:
72.11
Beilstein:
741880
Numero CE:
201-159-0
Numero MDL:
MFCD00011648
Codice UNSPSC:
12352115
eCl@ss:
39021202
ID PubChem:
329760661
NACRES:
NA.21

Grado

ACS reagent

Densità del vapore

2.49 (vs air)

Tensione di vapore

71 mmHg ( 20 °C)

Saggio

≥99.0%

Forma fisica

liquid

Temp. autoaccensione

960 °F

Limite di esplosione

10.1 %

Impurezze

≤0.0005 meq/g Titr. acid
≤0.20% water

Residuo dopo evaporazione

≤0.0025%

Colore

APHA: ≤15

Indice di rifrazione

n20/D 1.379 (lit.)

P. eboll.

80 °C (lit.)

Punto di fusione

−87 °C (lit.)

Densità

0.805 g/mL at 25 °C (lit.)

Stringa SMILE

CC(CC)=O

InChI

1S/C4H8O/c1-3-4(2)5/h3H2,1-2H3
ZWEHNKRNPOVVGH-UHFFFAOYSA-N

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Descrizione generale

2-Butanone is a ketone. Physical properties of the solutions of 1-n-butyl-3-methylimidazolium tetrafluoroborate (ionic liquid) in various organic solvents (acetonitrile, dichloromethane, 2-butanone and N,N-dimethylformamide) has been studied. Viscosity and density of these mixtures were evaluated at 298.15K.

Applicazioni

2-Butanone (Methyl ethyl ketone) may be employed as solvent for the methylation agent [11C]methyl trifluoromethanesulfonate ([11C]CH3OTf), during the completely automated radiosynthesis of 2-(4-N-[11C]methylaminophenyl)-6-hydroxybenzothiazole ([11C]PIB). It may be used in the synthesis of nanocontainer composed of 6 bowl-shaped cavitands. In the nanocontainer, cavitands were joined by 12 -CH=N-CH2CH2-N=CH- linkers.

Pittogrammi

FlameExclamation mark
GHS02,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H225,H319,H336

Classi di pericolo

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

Organi bersaglio

Central nervous system

Rischi supp

EUH066

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

30.2 °F - closed cup

Punto d’infiammabilità (°C)

-1 °C - closed cup

Certificati d'analisi (COA)

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