| CAS number | 109-99-9 |
| Molecular formula | C₄H₈O |
| Molecular weight | 72.11 g/mol |
| EINECS | 203-726-8 |
| Synonym | Oxolane |
| Assay (typical) | ≥ 99.9% |
| Appearance | Colourless liquid (ethereal odour) |
| Boiling point | 66 °C |
| Density (20 °C) | 0.889 g/cm³ |
Reference values; exact figures are stated on each shipment's batch certificate of analysis (COA).
We buy only from verified manufacturers, and every lot is laboratory-tested to international standards. Each shipment leaves with a certificate of analysis matched to the exact production batch, an MSDS/SDS in your destination language, and a certificate of origin. Third-party SGS or CIQ inspection can be arranged for markets with special requirements.
Supplied in 180 kg drum / ISO tank. Transport classification: Flammable liquid · UN 2056 · Class 3 — handled, packed and shipped accordingly under the product SDS. Loading from Ningbo or Shanghai on FOB, CIF, CFR or DAP terms; cargo insurance arranged on request. Lead time and commercial terms are quoted per order.
