Skip to main content

Stilbazo

Also known as: Stilbazo, Stilbene-4,4'-bis[(1-azo)-3,4-dihydroxybenzene]-2,2'-disulfonic acid diammonium salt, Diammonium 4,4'-bis[(3,4-dihydroxyphenyl)azo]stilbene-2,2'-disulphonate, Benzenesulfonic acid, 2,2'-[(E)-1,2-ethenediyl]bis[5-[(E)-2-(3,4-dihydroxyphenyl)diazenyl]-, diammonium salt, 4,4''-Bis-(3,4-dihydroxyphenylazo)-2,2''-stilbenedisulfonic acid diammonium salt, Stilbazo [Spectrophotometric reagent for Al and other metals]

Stilbazo (CAS 1571-36-4) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H26N6O10S2 and a molecular weight of 646.649 g/mol. Key properties include a melting point of 77-81 °C and a density of 1.72 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1571-36-4
Jingsj CID
J-36376-5
Molecular Formula
C26H26N6O10S2
Molecular Weight
646.649 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point77-81 °C
Density1.72 g/cm3
Exact Mass646.115173
PSA262.34000
LogP8.81300
Refractive Index1.767

Frequently Asked Questions

What is the CAS number of Stilbazo?

The CAS number of Stilbazo is 1571-36-4.

What are the molecular formula and molecular weight of Stilbazo?

Stilbazo has molecular formula C26H26N6O10S2 and molecular weight 646.649 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. "Stilbazo (CAS 1571-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36376-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.