Arsenazo II

Also known as: 2,7-Naphthalenedisulfonic acid, 3,3'-[(4,4'-diarsono[1,1'-biphenyl]-3,3'-diyl)bis(2,1-diazenediyl)]bis[4,5-dihydroxy-, 2,7-Naphthalenedisulfonic acid, 3,3'-[[4,4'-diarsono(1,1'-biphenyl)-3,3'-diyl]bis(azo)]bis(4,5-dihydroxy-, 3,3'-bis-1,8-Dihydroxy-3,6-disulpho-2-naphthyl-azo-diphenyl-4,4'-diarsonic acid, Arsenaxo II

Arsenazo II (CAS 3861-75-4) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H24As2N4O22S4 and a molecular weight of 1094.662 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3861-75-4
Jingsj CID: J-1365253-5
Molecular Formula: C₃₂H₂₄As₂N₄O₂₂S₄
Molecular Weight: 1094.662 g/mol
Category: Nitrogen Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of Arsenazo II?

The CAS number of Arsenazo II is 3861-75-4.

What are the molecular formula and molecular weight of Arsenazo II?

Arsenazo II has molecular formula C32H24As2N4O22S4 and molecular weight 1094.662 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Arsenazo II (CAS 3861-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365253-5 (accessed 2026-11-06).

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