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625-33-2 - 3-Penten-2-one, tech. 85% - L13031 - Alfa Aesar

L13031 3-Penten-2-one, tech. 85%

CAS-Nummer
625-33-2
Synonyme

Größe Preis ($) Menge Verfügbarkeit
1g 35,00
5g 105,00
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3-Penten-2-one, tech. 85%

MDL
MFCD00009290
EINECS
210-888-3

Chemische Eigenschaften

Formel
C5H8O
Molmasse
84.12
Siedepunkt
119-121°
Flammpunkt
21°(69°F)
Dichte
0.862
Brechungsindex
1.4355
Löslichkeit
Slightly soluble in Water

Anwendungen

3-Penten-2-one

Bemerkungen

Store at room temperature. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Incompatible with bases, reducing agents and oxidizing agents.

Literaturverweise

James A. Marshall.; Thomas M. WarneJr. Total synthesis of (+-)-isonootkatone. Stereochemical studies of the Robinson annelation reaction with 3-penten-2-one. J. Org. Chem. 1971, 36 (1), 178-183.

J. Peter Guthrie. The retroaldol reaction of 3-penten-2-one: equilibrium constant for hydration and rate constants for the hydration and retroaldol reactions in base. Canadian Journal of Chemistry. 1981, 59 (1), 45-49.

Undergoes conjugate addition with Ethyl­ nitroacetate, A14433. The resulting -nitro ketone can be reductively cyclized to a pyrrole in high yield: Tetrahedron Lett., 36, 9469 (1995):

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H303-H311-H315-H319-H335

Highly flammable liquid and vapour. May be harmful if swallowed. Toxic in contact with skin. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
1633505
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2914.19
TSCA
Yes
RTECS
SB3850000

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