Ethyl eosin

曙红酒精

Also known as: Eosin ethyl ester, Eosin, alcohol soluble, Solvent Red 45, CI 45386, Ethyl eosin monosodium salt, Sodium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid ethyl ester sodium salt

Ethyl eosin (CAS 21514-87-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H11Br4NaO5 and a molecular weight of 697.92600 g/mol. It is also known as Eosin ethyl ester, Eosin, alcohol soluble and Solvent Red 45. Key properties include a boiling point of 661.5ºC at 760mmHg and a flash point of 353.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21514-87-4
Jingsj CID
J-34071-5
Molecular Formula
C22H11Br4NaO5
Chinese Name
曙红酒精
Molecular Weight
697.92600 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point661.5ºC at 760mmHg
Flash Point353.8ºC

Frequently Asked Questions

What is the CAS number of Ethyl eosin?

The CAS number of Ethyl eosin is 21514-87-4.

What are the molecular formula and molecular weight of Ethyl eosin?

Ethyl eosin has molecular formula C22H11Br4NaO5 and molecular weight 697.92600 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl eosin (CAS 21514-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34071-5 (accessed 2026-10-23).

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