dibutyl sulfite
Also known as: dibutyl sulphite, di-n-butyl sulphite, di-n-butyl sulfite, n-Butylsulfite, Butyl sulfite (Bu2SO3), (O-n-C4H9)2SO, Sulfurous acid dibutyl ester, Sulfurous acid, dibutyl ester, Dibutylsulfit, NSC 2587
dibutyl sulfite (CAS 626-85-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H18O3S and a molecular weight of 194.29200 g/mol. Key properties include a boiling point of 230ºC at 760 mmHg, a density of 1.062g/cm3 and a flash point of 99.3±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 626-85-7
- Jingsj CID
- J-1375636-0
- Molecular Formula
- C8H18O3S
- Molecular Weight
- 194.29200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 230ºC at 760 mmHg |
|---|---|
| Density | 1.062g/cm3 |
| Flash Point | 99.3±18.7 °C |
| Exact Mass | 194.09800 |
| PSA | 54.74000 |
| LogP | 2.76 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.475 |
Frequently Asked Questions
What is the CAS number of dibutyl sulfite?
The CAS number of dibutyl sulfite is 626-85-7.
What are the molecular formula and molecular weight of dibutyl sulfite?
dibutyl sulfite has molecular formula C8H18O3S and molecular weight 194.29200 g/mol.
What are the upstream and downstream products of dibutyl sulfite?
For dibutyl sulfite, Upstream Products: 1-Butanol, Butyl nitrite, Thionyl chloride; Downstream Products: 1-Chlorobutane, Butyl benzoate, Thionyl chloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "dibutyl sulfite (CAS 626-85-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1375636-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.