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542-28-9 - delta-Valerolactone, 98%, may contain polymer - 5-Hydroxypentanoic acid lactone - delta-Pentanolactone - L04794 - Alfa Aesar

L04794 delta-Valerolactone, 98%, may contain polymer

CAS-Nummer
542-28-9
Synonyme
5-Hydroxypentanoic acid lactone
delta-Pentanolactone

Größe Preis ($) Menge Verfügbarkeit
25g 36,30
100g 90,20
500g 335,00
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

delta-Valerolactone, 98%, may contain polymer

MDL
MFCD00006645
EINECS
208-807-1

Chemische Eigenschaften

Formel
C5H8O2
Molmasse
100.12
Schmelzpunkt
-13° to -12°
Siedepunkt
58-60°/0.5mm
Flammpunkt
112°(233°F)
Dichte
1.056
Brechungsindex
1.4580
Löslichkeit
Miscible with water.

Anwendungen

δ-Valerolactone is employed as a chemical intermediate in the synthesis of polymers. It is also used to synthesize the copolyesters by lipase-catalyzed ring opening polymerization.

Bemerkungen

Store in a tightly closed container. Avoid breathing dust, vapor, mist, or gas.

Literaturverweise

Rajashekhar, B.; Chakraborty, D. Co(II) and Mn(II) catalyzed bulk ring-opening polymerization of cyclic esters. Polym. Bull. 2014, 71 (9), 2185-2203.

Suess, B.; Brockhoff, A.; Meyerhof, W.; Hofmann, T. Structures, orosensory activity, and T1R1/T1R3 receptor activation of amides generated by lactone aminolysis using food-related processing conditions. Eur Food Res. Technol. 2013, 237 (1), 57-70.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H318

Causes serious eye damage.

Sicherheitshinweise: P280i-P305+P351+P338-P310a

Wear eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor

Weitere Referenzen

Beilstein
106436
Harmonized Tariff Code
2932.20
TSCA
Yes

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