1,4-Butane sultone
Also known as: 1,4-Butanesultone, 1,4-Butylsultone, 1,4-butylenesulfone, 1,4-BS, 2,2-Dioxide-1,2-oxathiane, 1,2-Oxathiane 2,2-dioxide, 4-hydroxy-1-butanesulfonic acid sultone, δ-Valerosultone
1,4-Butane sultone (CAS 1633-83-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C4H8O3S and a molecular weight of 136.169 g/mol. Key properties include a melting point of 12.5-15ºC, a boiling point of 299.9±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 135.2±18.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1633-83-6
- Jingsj CID
- J-25358-3
- Molecular Formula
- C4H8O3S
- Molecular Weight
- 136.169 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 12.5-15ºC |
|---|---|
| Boiling Point | 299.9±9.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 135.2±18.7 °C |
| Exact Mass | 136.019409 |
| PSA | 51.75000 |
| LogP | -0.13 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.471 |
| Additional Property | 54 g/L (20 ºC) decomposes |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H351 — Suspected of causing cancer
Customs & Trade Information
| HS Code | 2934991000 |
|---|---|
| Summary | 2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,4-Butane sultone?
The CAS number of 1,4-Butane sultone is 1633-83-6.
What are the molecular formula and molecular weight of 1,4-Butane sultone?
1,4-Butane sultone has molecular formula C4H8O3S and molecular weight 136.169 g/mol.
Is 1,4-Butane sultone hazardous?
1,4-Butane sultone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H351 — Suspected of causing cancer.
What are the upstream and downstream products of 1,4-Butane sultone?
For 1,4-Butane sultone, Upstream Products: 4-Mercapto-1-butanol, 4-Chloro-1-butylsulfonyl Chloride, 1-Chlorobutane; Downstream Products: 1,1,2-Trimethyl-3-(4-sulfobutyl)-1H-benz[e]indolium inner salt, 1-Hexanesulfonic acid, Triphenyl-(4-sulfo-butyl)-phosphonium inner salt.
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-Butane sultone (CAS 1633-83-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25358-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.