83193

2H-Pyran-2-one

technical, ≥90% (GC)

• Synonym(s): α-Pyrone
• Empirical Formula (Hill Notation): C₅H₄O₂
• CAS Number: 504-31-4
• Molecular Weight: 96.08
• Beilstein/REAXYS Number: 1511
• EC Number: 207-990-5
• MDL number: MFCD00006639
• UNSPSC Code: 12352100
• PubChem Substance ID: 329769281

Properties

• grade: technical
• assay: ≥90% (GC)
• refractive index: n20/D 1.53 (lit.); n20/D 1.530
• bp: 102-103 °C/20 mmHg (lit.)
• density: 1.197 g/mL at 25 °C (lit.)
• SMILES string: O=C1OC=CC=C1
• InChI: 1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H
• InChI key: ZPSJGADGUYYRKE-UHFFFAOYSA-N

Description

Other Notes

Diene, M. Nakagawa, M. Tonozuka, M. Obi, M. Kiuchi, T. Hino

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 201.2 °F - closed cup
• flash_point_c: 94 °C - closed cup
• ppe: Eyeshields, Gloves