Eosine yellow, spirit soluble

Name: Eosine yellow, spirit soluble
Brand: Vaqora Chemicals
SKU: VQ-000559

About Eosine yellow, spirit soluble

Listed under CAS 6359-05-3, Eosine yellow, spirit soluble is a biological stain available from Vaqora Chemicals (Microscopy grade). Formula C22H11Br4KO5, molecular weight 714.0 g/mol. The IUPAC name is potassium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate. Alternative names: Acid Red 87 and Bromo acid J. TS.

The material typically appears as an orange to brown to red powder. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Eosine yellow, spirit soluble in 25 g, 100 g, 500 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Eosine yellow, spirit soluble
Catalogue No.	VQ-000559
CAS Number	6359-05-3
IUPAC name	potassium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate
Molecular formula	C₂₂H₁₁Br₄KO₅
Molecular weight	714 g/mol
Exact mass	713.6936
Grade	Microscopy
HSN code	32041299
InChIKey	UKZQEOHHLOYJLY-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.[K+]
PubChem CID	23670843

Physical properties
Physical form	Powder
Appearance	Orange to brown to red powder
H-bond donors / acceptors	0 / 5
TPSA	75.7 Å²
Synonyms	2',4',5',7'-Tetrabromofluorescein disodium salt, Acid Red 87, Bromo acid J. TS, or XX, Bromofluorescein, Bronze Bromo ES, Eosin yellowish, Ethyl eosin, Solvent Red 45, Potassium ethyl eosin anion, Potassium ethyl o-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, C.I. Solvent Red 45

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 Eosine yellow, spirit soluble?

The CAS Registry Number of Eosine yellow, spirit soluble is 6359-05-3. It is also known as 2',4',5',7'-Tetrabromofluorescein disodium salt, Acid Red 87, Bromo acid J. TS.

What is the molecular formula and molecular weight of Eosine yellow, spirit soluble?

Eosine yellow, spirit soluble has the molecular formula C22H11Br4KO5 and a molecular weight of 714 g/mol. Its IUPAC name is potassium 2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate.

Which grade and pack sizes of Eosine yellow, spirit soluble can I order?

We supply Eosine yellow, spirit soluble in Microscopy grade, in 25 g, 100 g, 500 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Eosine yellow, spirit soluble?

Yes. Every lot of Eosine yellow, spirit soluble 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 Eosine yellow, spirit soluble be shipped internationally?

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