PONCEAU 3R

丽春红3R

Also known as: C.I. 16155, C.I. Food Red 6, Disodium 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]naphthalene-2,7-disulfonate, Disodium (4E)-3-oxo-4-[(2,4,5-trimethylphenyl)hydrazono]-3,4-dihydronaphthalene-2,7-disulfonate, Poncean 3R Di-Na-Salz, ACIDDYE, AKA502, EINECS 222-638-0, MFCD00036432, afredno1, cifood6, dandcred15, fdcred1, ponceau3rn, ponceaurn, Cumidine Red, FDandC Rot Nr.1

PONCEAU 3R (CAS 3564-09-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H16N2Na2O7S2 and a molecular weight of 494.45 g/mol. It is also known as C.I. 16155, C.I. Food Red 6 and Disodium 3-hydroxy-4-[(2,4,5-trimethylphenyl)azo]naphthalene-2,7-disulfonate. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3564-09-8
Jingsj CID: J-30188-0
Molecular Formula: C₁₉H₁₆N₂Na₂O₇S₂
Chinese Name: 丽春红3R
Molecular Weight: 494.45 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of PONCEAU 3R?

The CAS number of PONCEAU 3R is 3564-09-8.

What are the molecular formula and molecular weight of PONCEAU 3R?

PONCEAU 3R has molecular formula C19H16N2Na2O7S2 and molecular weight 494.45 g/mol.

Is PONCEAU 3R hazardous?

PONCEAU 3R has GHS signal word Warning.

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 3R (CAS 3564-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30188-0 (accessed 2026-10-23).

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