Benzenesulfonic Anhydride
Also known as: Benzenesulfonic acid anhydride, Bis(benzenesulfonic)anhydride, benzenesulfonyl benzenesulfonate, Benzenesulfonic acid, 1,1'-anhydride
Benzenesulfonic Anhydride (CAS 512-35-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H10O5S2 and a molecular weight of 298.335 g/mol. Key properties include a boiling point of 463.7±28.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 234.3±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 512-35-6
- Jingsj CID
- J-976892-7
- Molecular Formula
- C12H10O5S2
- Molecular Weight
- 298.335 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 463.7±28.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 234.3±24.0 °C |
| Exact Mass | 297.996948 |
| PSA | 94.27000 |
| LogP | 2.58 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.599 |
Frequently Asked Questions
What is the CAS number of Benzenesulfonic Anhydride?
The CAS number of Benzenesulfonic Anhydride is 512-35-6.
What are the molecular formula and molecular weight of Benzenesulfonic Anhydride?
Benzenesulfonic Anhydride has molecular formula C12H10O5S2 and molecular weight 298.335 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzenesulfonic Anhydride (CAS 512-35-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-976892-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.