Tetrahydro-4H-pyran-4-one
ALDRICH/198242 - 99%
Synonym: 4-Oxotetrahydropyran
CAS Number: 29943-42-8
Empirical Formula (Hill Notation): C5H8O2
Molecular Weight: 100.12
EC Number: 249-967-2
MDL Number: MFCD00006581
Linear Formula: C5H8O2
Product Type: Chemical
| assay | 99% |
| bp | 166-166.5 °C (lit.) |
| density | 1.084 g/mL at 25 °C (lit.) |
| form | liquid |
| functional group | ether |
| ketone | |
| InChI | 1S/C5H8O2/c6-5-1-3-7-4-2- |
| InChI key | JMJRYTGVHCAYCT-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | O=C1CCOCC1 |
| Packaging: | 1, 5 g in glass bottle |
| Symbol | GHS02 |
| Signal word | Warning |
| Hazard statements | H226 |
| Precautionary statements | P210 |
| Risk Statements | 10 |
| RIDADR | UN1224 - class 3 - PG 3 - Ketones, liquid, n.o.s., HI: all |
| WGK Germany | WGK 3 |
| Flash Point(F) | 131.0 °F - closed cup |
| Flash Point(C) | 55 °C - closed cup |
| Purity | 99% |
| bp | 166-166.5 °C (lit.) |
| Density | 1.084 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |


