389579

δ-Valerolactone

technical grade

• Synonym(s): delta-Valerolactone, Tetrahydro-2H-2-pyranone
• Empirical Formula (Hill Notation): C₅H₈O₂
• CAS Number: 542-28-9
• Molecular Weight: 100.12
• Beilstein/REAXYS Number: 106436
• EC Number: 208-807-1
• MDL number: MFCD00006645
• UNSPSC Code: 12352100
• PubChem Substance ID: 24864292
• NACRES: NA.22

Properties

• grade: technical grade
• Quality Level: 100
• form: liquid
• impurities: <25% polymer
• refractive index: n20/D 1.457 (lit.)
• bp: 226-229 °C (lit.); 58-60 °C/0.5 mmHg (lit.)
• mp: −13-−12 °C (lit.)
• density: 1.079 g/mL at 25 °C (lit.)
• functional group: ester
• storage temp.: −20°C
• SMILES string: O=C1CCCCO1
• InChI: 1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2
• InChI key: OZJPLYNZGCXSJM-UHFFFAOYSA-N

Description

Application

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.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H318
• pcodes: P280 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1
• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 233.6 °F - closed cup
• flash_point_c: 112 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter