4,4'-Dinitrostilbene-2,2'-disulfonic acid

4,4'-二硝基二苯乙烯-2,2'-二磺酸

Also known as: 4,4'-dinitrostilbene-2,2'-disulfonic acid, 4,4'-dinitro-2,2'-stilbenedisulfonic acid, 6,6'-(Ethene-1,2-diyl)bis(3-nitrobenzenesulfonic acid), 2,2'-(E)-ethene-1,2-diylbis(5-nitrobenzenesulfonic acid), 2,2'-[(E)-1,2-Ethenediyl]bis(5-nitrobenzenesulfonic acid), 2,2'-(1,2-ethenediyl)bis[5-nitro-benzenesulfonic acid], 4,4'-Dinitrostilbene-2,2'-disulfonic acid, DNSDA, 4' 4" DINITRO STILLBENE 2'2" DISULPHONIC ACID

4,4'-Dinitrostilbene-2,2'-disulfonic acid (CAS 128-42-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H10N2O10S2 and a molecular weight of 430.367 g/mol. It is also known as 4,4'-dinitrostilbene-2,2'-disulfonic acid, 4,4'-dinitro-2,2'-stilbenedisulfonic acid and 6,6'-(Ethene-1,2-diyl)bis(3-nitrobenzenesulfonic acid). Key properties include a melting point of 266ºC and a density of 1.8±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128-42-7
Jingsj CID
J-26922-1
Molecular Formula
C14H10N2O10S2
Chinese Name
4,4'-二硝基二苯乙烯-2,2'-二磺酸
Molecular Weight
430.367 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point266ºC
Density1.8±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 4,4'-Dinitrostilbene-2,2'-disulfonic acid?

The CAS number of 4,4'-Dinitrostilbene-2,2'-disulfonic acid is 128-42-7.

What are the molecular formula and molecular weight of 4,4'-Dinitrostilbene-2,2'-disulfonic acid?

4,4'-Dinitrostilbene-2,2'-disulfonic acid has molecular formula C14H10N2O10S2 and molecular weight 430.367 g/mol.

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

Last updated:

How to cite: Jingsj. "4,4'-Dinitrostilbene-2,2'-disulfonic acid (CAS 128-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26922-1 (accessed 2026-10-24).

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