4,4'-Oxydibenzenesulfonohydrazide

4,4'-氧代双苯磺酰肼

Also known as: 4,4′-Oxybis(benzenesulfonyl hydrazide), 4,4′-Oxydibenzenesulfonyl hydrazide, 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide, Benzenesulfonic acid, 4,4'-oxybis-, dihydrazide, OBSH

4,4'-Oxydibenzenesulfonohydrazide (CAS 80-51-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C12H14N4O5S2 and a molecular weight of 358.393 g/mol. It is also known as 4,4′-Oxybis(benzenesulfonyl hydrazide), 4,4′-Oxydibenzenesulfonyl hydrazide and 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide. Key properties include a melting point of 160-161 °C (dec.)(lit.), a boiling point of 590.0±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 310.6±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 80-51-3
Jingsj CID: J-1990953-6
Molecular Formula: C₁₂H₁₄N₄O₅S₂
Chinese Name: 4,4'-氧代双苯磺酰肼
Molecular Weight: 358.393 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	160-161 °C (dec.)(lit.)
Boiling Point	590.0±60.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	310.6±32.9 °C

Frequently Asked Questions

What is the CAS number of 4,4'-Oxydibenzenesulfonohydrazide?

The CAS number of 4,4'-Oxydibenzenesulfonohydrazide is 80-51-3.

What are the molecular formula and molecular weight of 4,4'-Oxydibenzenesulfonohydrazide?

4,4'-Oxydibenzenesulfonohydrazide has molecular formula C12H14N4O5S2 and molecular weight 358.393 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4,4'-Oxydibenzenesulfonohydrazide (CAS 80-51-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990953-6 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.