1,4-Oxathiane
Also known as: 1,4-Thioxane, 1,4-Oxathiin, 2,3,5,6-tetrahydro-, 1-Oxa-4-thiacyclohexane, 1-Thia-4-oxacyclohexane, p-Thioxane, NSC 49179, EINECS 240-117-6, MFCD00006573
1,4-Oxathiane (CAS 15980-15-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8OS and a molecular weight of 104.171 g/mol. Key properties include a boiling point of 147.2±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 55.6±25.4 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15980-15-1
- Jingsj CID
- J-35474-5
- Molecular Formula
- C4H8OS
- Molecular Weight
- 104.171 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 147.2±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 55.6±25.4 °C |
| Exact Mass | 104.029587 |
| PSA | 34.53000 |
| LogP | 0.21 |
| Vapor Pressure | 5.7±0.2 mmHg at 25°C |
| Refractive Index | 1.494 |
| Storage Conditions | Flammables area |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,4-Oxathiane?
The CAS number of 1,4-Oxathiane is 15980-15-1.
What are the molecular formula and molecular weight of 1,4-Oxathiane?
1,4-Oxathiane has molecular formula C4H8OS and molecular weight 104.171 g/mol.
Is 1,4-Oxathiane hazardous?
1,4-Oxathiane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4-Oxathiane (CAS 15980-15-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35474-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.