Merocyanine 540

部花青540

Also known as: MC540, Merocyanin 540, NSC369286, MFCD00013438, 2-[4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-pyrimidinylidene)-2-buten-1-ylidene]-3(2H)-benzoxazolepropanesulfonic acid sodium salt, Sodium 3-(2-(4-(1,3-dibutyl-4,6-dioxo-2-thioxotetrahydropyrimidin-5(2H)-ylidene)but-2-en-1-ylidene)benzo[d]oxazol-3(2H)-yl)propane-1-sulfonate

Merocyanine 540 (CAS 62796-23-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H32N3NaO6S2 and a molecular weight of 569.66900 g/mol. It is also known as MC540, Merocyanin 540 and NSC369286. Key property: a melting point of 285ºC (dec.)(lit.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 62796-23-0
Jingsj CID: J-1969379-4
Molecular Formula: C₂₆H₃₂N₃NaO₆S₂
Chinese Name: 部花青540
Molecular Weight: 569.66900 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	285ºC (dec.)(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Merocyanine 540?

The CAS number of Merocyanine 540 is 62796-23-0.

What are the molecular formula and molecular weight of Merocyanine 540?

Merocyanine 540 has molecular formula C26H32N3NaO6S2 and molecular weight 569.66900 g/mol.

Is Merocyanine 540 hazardous?

Merocyanine 540 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. "Merocyanine 540 (CAS 62796-23-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969379-4 (accessed 2026-10-25).

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