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115-80-0 - Triethyl orthopropionate, 98% - Ethyl orthopropionate - Orthopropionic acid triethyl ester - L08172 - Alfa Aesar

L08172 Triethyl orthopropionate, 98%

CAS-Nummer
115-80-0
Synonyme
Ethyl orthopropionate
Orthopropionic acid triethyl ester

Größe Preis ($) Menge Verfügbarkeit
25ml 22,90
100ml 42,00
500ml 128,00
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Triethyl orthopropionate, 98%

MDL
MFCD00009226
EINECS
204-108-0

Chemische Eigenschaften

Formel
C9H20O3
Molmasse
176.26
Siedepunkt
158°
Flammpunkt
45°(113°F)
Dichte
0.880
Brechungsindex
1.4020
Löslichkeit
Hydrolyzes slowly in water. Soluble in alcohol, chloroform, ethyl acetate and ether.

Anwendungen

Used as intermediates in pharmaceutical chemical and organic synthesize. It can react with N-benzoyl-glycine in the presence of 4-(dimethylamino)pyridine and acetic anhydride to produce 4-(1-ethoxy-propylidene)-2-phenyl-4H-oxazol-5-one. It is also applied as a starting material in the synthesis of Triethyl orthoacrylate. Triethyl orthopropionate is also commonly used in Claisen rearrangement reactions that yield γ,δ-unsaturated esters.

Bemerkungen

Store away from water/moisture and oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Store under inert gas. Protect against electrostatic charges. Keep ignition sources away.

Literaturverweise

Kinichi Tadano, et al. Claisen rearrangement of (Z)-3-deoxy-3-C-[(hydroxymethyl)methylene]-1,2:5,6-di-O-isopropylidene-.alpha.-D-ribo-hexofuranose with triethyl orthopropionate.J. Org. Chem.,1989,54(5), 1223-1227.

Edgar Marquez, et al. Mechanisms of the homogeneous, unimolecular gas-phase elimination kinetics of triethyl orthoacetate and triethyl orthopropionate.J. Phys. Org. Chem.,2008,21(7-8), 666-669.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H226-H315-H319-H335

Flammable liquid and vapour. 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
906798
Gefahrenklasse
3
Verpackungsgruppe
III
Harmonized Tariff Code
2915.90
TSCA
Yes

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