Ponceau SS

酸性红150

Also known as: Acid Red 150, C.I. Acid Red 150, C.I. 27190, PONCEAU SS, disodium 3-hydroxy-4-[(4-phenylazo)phenyl]azo]naphthalene-2,7-disulphonate, 3-Hydroxy-4-[[4-(phenylazo)phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt

Ponceau SS (CAS 6226-78-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H16N4O7S2 and a molecular weight of 512.51500 g/mol. It is also known as Acid Red 150, C.I. Acid Red 150 and C.I. 27190. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6226-78-4
Jingsj CID: J-16878-0
Molecular Formula: C₂₂H₁₆N₄O₇S₂
Chinese Name: 酸性红150
Molecular Weight: 512.51500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Ponceau SS?

The CAS number of Ponceau SS is 6226-78-4.

What are the molecular formula and molecular weight of Ponceau SS?

Ponceau SS has molecular formula C22H16N4O7S2 and molecular weight 512.51500 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. "Ponceau SS (CAS 6226-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16878-0 (accessed 2026-10-24).

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