Eosine yellow, water soluble

Name: Eosine yellow, water soluble
Brand: Vaqora Chemicals
SKU: VQ-000560

About Eosine yellow, water soluble

Vaqora Chemicals supplies Eosine yellow, water soluble (Microscopy grade), a biological stain registered under CAS number 17372-87-1. Formula C20H6Br4Na2O5, molecular weight 691.9 g/mol. The IUPAC name is disodium, 2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate. It is also known as Acid red 87 or Eosin.

In its supplied form it is a brownish red powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and biological staining. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Eosine yellow, water soluble in 25 g, 100 g, 500 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Eosine yellow, water soluble
Catalogue No.	VQ-000560
CAS Number	17372-87-1
IUPAC name	disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate
Molecular formula	C₂₀H₆Br₄Na₂O₅
Molecular weight	691.9 g/mol
Exact mass	691.6703
Grade	Microscopy
HSN code	32041299
InChIKey	SEACYXSIPDVVMV-UHFFFAOYSA-L
SMILES	C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].[Na+].[Na+]
PubChem CID	11048

Physical properties
Physical form	Powder
Appearance	Brownish red powder
H-bond donors / acceptors	0 / 5
TPSA	89.5 Å²
Synonyms	2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Acid red 87, Eosin, Eosin yellowish, Eosine Yellowish, Eosine, Eosine G, Eosin YS, Sodium eosine, Bromo acid, Eosine Y, Bromofluorescein

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

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

Other grades of CAS 17372-87-1

ACS

Eosine yellow, water soluble, ACS

CAS: 17372-87-1
Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.9 g/mol

VQ-046785

Eosine, staining, solution

CAS: 17372-87-1
Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.9 g/mol

VQ-003549

Frequently asked questions

What is the CAS number of Eosine yellow, water soluble?

The CAS Registry Number of Eosine yellow, water soluble is 17372-87-1. It is also known as 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, Acid red 87, Eosin.

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

Eosine yellow, water soluble has the molecular formula C20H6Br4Na2O5 and a molecular weight of 691.9 g/mol.

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

We supply Eosine yellow, water soluble in Microscopy grade, in 25 g, 100 g, 500 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

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

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

Yes. Eosine yellow, water soluble is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.