Eosin 5-isothiocyanate

曙红5-异硫氰酸酯

Also known as: eosin 5-isothiocyanate, eosin-5-isothiocyanate, EITC, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-5-isothiocyanatospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 5-isothiocyanato-2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxoxanthen-9-yl)benzoic acid, eosine-5-isothiocyanate

Eosin 5-isothiocyanate (CAS 60520-47-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H7Br4NO5S and a molecular weight of 704.96500 g/mol. It is also known as eosin 5-isothiocyanate, eosin-5-isothiocyanate and EITC. Key properties include a boiling point of 719.1ºC at 760 mmHg, a density of 2.33 g/cm3 and a flash point of 388.7ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 60520-47-0
Jingsj CID: J-994692-9
Molecular Formula: C₂₁H₇Br₄NO₅S
Chinese Name: 曙红5-异硫氰酸酯
Molecular Weight: 704.96500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	719.1ºC at 760 mmHg
Density	2.33 g/cm3
Flash Point	388.7ºC

GHS Safety & Compliance

Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Eosin 5-isothiocyanate?

The CAS number of Eosin 5-isothiocyanate is 60520-47-0.

What are the molecular formula and molecular weight of Eosin 5-isothiocyanate?

Eosin 5-isothiocyanate has molecular formula C21H7Br4NO5S and molecular weight 704.96500 g/mol.

Is Eosin 5-isothiocyanate hazardous?

Eosin 5-isothiocyanate has GHS signal word Danger.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Eosin 5-isothiocyanate (CAS 60520-47-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-994692-9 (accessed 2026-10-23).

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