389579

δ-Valerolacton

technical grade

• Synonym(e): Tetrahydro-2H-2-pyranon
• Empirische Formel (Hill-System): C₅H₈O₂
• CAS-Nummer: 542-28-9
• Molekulargewicht: 100.12
• Beilstein: 106436
• EG-Nummer: 208-807-1
• MDL-Nummer: MFCD00006645
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24864292
• NACRES: NA.22

Eigenschaften

• Qualität: technical grade
• Form: liquid
• Verunreinigungen: <25% polymer
• Brechungsindex: n20/D 1.457 (lit.)
• bp: 226-229 °C (lit.); 58-60 °C/0.5 mmHg (lit.)
• mp (Schmelzpunkt): −13-−12 °C (lit.)
• Dichte: 1.079 g/mL at 25 °C (lit.)
• Lagertemp.: −20°C
• SMILES String: O=C1CCCCO1
• InChI: 1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2
• InChIKey: OZJPLYNZGCXSJM-UHFFFAOYSA-N

Beschreibung

Anwendung

δ-Valerolactone (tetrahydro-2H-2-pyranone or δ VL) can be used as a monomer unit in the synthesis of poly(δ-valerolactone)s poly(conjugated ester)s via ring-opening polymerization.
It can also be used as a starting material in the synthesis of (+)-guadinomic acid , sodium δ-hydroxyvalerate , methyl δ-hydroxyvalerate , and 5-hydroxyvaleraldehyde.

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H318
• P-Sätze: P280 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Dam. 1
• Lagerklassenschlüssel: 10 - Combustible liquids
• WGK: WGK 1
• Flammpunkt (°F): 233.6 °F - closed cup
• Flammpunkt (°C): 112 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter