Ethyl eosin

Name: Ethyl eosin
Brand: Vaqora Chemicals
SKU: VQ-000569

About Ethyl eosin

Listed under CAS 21514-87-4, Ethyl eosin is a biological stain available from Vaqora Chemicals (Microscopy grade). Its molecular formula is C22H11Br4NaO5 and its molecular weight is 697.9 g/mol. Systematically, it is named sodium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate.

In its supplied form it is a reddish brown solid. Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Ethyl eosin in 5 g, 10 g, 100 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Ethyl eosin
Catalogue No.	VQ-000569
CAS Number	21514-87-4
IUPAC name	sodium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate
Molecular formula	C₂₂H₁₁Br₄NaO₅
Molecular weight	697.9 g/mol
Exact mass	697.7197
Grade	Microscopy
HSN code	29420090
InChIKey	HYPSDNMOKVQICX-UHFFFAOYSA-M
SMILES	CCOC(=O)C1=CC=CC=C1C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br.[Na+]
PubChem CID	2724618

Physical properties
Physical form	Solid
Appearance	Reddish brown solid
H-bond donors / acceptors	0 / 5
TPSA	75.7 Å²
Synonyms	Sodium ethyl 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Benzoic acid, 2-(2,4,5,7- tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, ethyl ester, 2-(2,4,5,7-Tetrabromo-6-hydroxy-3-oxo- 3H-xanthen-9-yl)benzoic acid,ethyl ester, ethyl 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxoxanthen-9-yl)benzoate, sodium salt, sodium 2,4,5,7-tetrabromo-9-[2-(ethoxycarbonyl)phenyl]-3-oxo-3h-xanthen-6-olate

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Ethyl eosin?

The CAS Registry Number of Ethyl eosin is 21514-87-4. It is also known as Sodium ethyl 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Benzoic acid, 2-(2,4,5,7- tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, ethyl ester, 2-(2,4,5,7-Tetrabromo-6-hydroxy-3-oxo- 3H-xanthen-9-yl)benzoic acid,ethyl ester.

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

Ethyl eosin has the molecular formula C22H11Br4NaO5 and a molecular weight of 697.9 g/mol. Its IUPAC name is sodium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate.

Which grade and pack sizes of Ethyl eosin can I order?

We supply Ethyl eosin in Microscopy grade, in 5 g, 10 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Ethyl eosin?

Yes. Every lot of Ethyl eosin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Ethyl eosin be shipped internationally?

Yes. We export Ethyl eosin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.