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Dicyanine A

Also known as: Dicyanine A, 1-Ethyl-2-[3-(6-ethoxy-1-ethyl-2-methyl-4-quinolylidene)propenyl]-6-ethoxy-1-ethyl-4-methylquinolinium iodide, EINECS 243-897-6, MFCD00051379

Dicyanine A (CAS 20591-23-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H25IN2 and a molecular weight of 480.39300 g/mol. Key property: a melting point of 300ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
20591-23-5
Jingsj CID
J-46577-0
Molecular Formula
C25H25IN2
Molecular Weight
480.39300 g/mol
Category
Organic Compounds
Last updated
11/2/2026
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Physicochemical Properties

Melting Point300ºC
Exact Mass596.19000
PSA27.27000
LogP3.31500

Frequently Asked Questions

What is the CAS number of Dicyanine A?

The CAS number of Dicyanine A is 20591-23-5.

What are the molecular formula and molecular weight of Dicyanine A?

Dicyanine A has molecular formula C25H25IN2 and molecular weight 480.39300 g/mol.

What are the upstream and downstream products of Dicyanine A?

For Dicyanine A, Upstream Products: 1-Ethyl-4-methylquinolinium iodide, 1-Ethyl-2-methylquinolinium iodide.

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

Last updated:

How to cite: Jingsj. "Dicyanine A (CAS 20591-23-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46577-0 (accessed 2026-11-09).

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