C.I. Acid Red 91

C.I.酸性红91

C.I. Acid Red 91 (CAS 134829-78-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H6Br2N2Na2O9 and a molecular weight of 624.1 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 134829-78-0
Jingsj CID: J-129699-6
Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉
Chinese Name: C.I.酸性红91
Molecular Weight: 624.1 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of C.I. Acid Red 91?

The CAS number of C.I. Acid Red 91 is 134829-78-0.

What are the molecular formula and molecular weight of C.I. Acid Red 91?

C.I. Acid Red 91 has molecular formula C20H6Br2N2Na2O9 and molecular weight 624.1 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. "C.I. Acid Red 91 (CAS 134829-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-129699-6 (accessed 2026-10-25).

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