Thermo Scientific Chemicals Eosin Y, pure, high purity, biological stain

Product Code	Brand	Quantity	Packaging
10061830	Thermo Scientific Chemicals 152880250	25 g	Glass bottle
10646932	Thermo Scientific Chemicals 152881000	100 g	Glass bottle
10676584	Thermo Scientific Chemicals 152885000	500 g	Glass bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Indicator

Chemical Identifiers

• CAS: 17372-87-1
• Molecular Weight (g/mol): 745.904
• InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L
• PubChem CID: 91886399
• 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-].O.O.O.[Na+].[Na+]

• Molecular Formula: C20H12Br4Na2O8
• MDL Number: MFCD00005040
• Synonym: 2',4',5',7'-Tetrabromofluorescein, disodium salt, Eosin Yellowish, 2', 4', 5'
• IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate

Specifications

• Melting Point: >300.0°C
• Dye Content: 90% min. (on dry substance)
• MDL Number: MFCD00005040
• Merck Index: 15, 3658
• Solubility Information: Solubility in water: freely soluble. Other solubilities: sparingly soluble in alcohol, insoluble in diethyl ether
• Infrared Spectrum: Authentic
• IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
• PubChem CID: 91886399
• Loss on Drying: 10% max.
• Specific Gravity: 1.018
• Color: Brown to Red
• Chemical Name or Material: Eosin Y, High purity biological stain

• CAS: 17372-87-1
• Molecular Formula: C20H12Br4Na2O8
• Beilstein: 19, IV, 2917
• Synonym: 2',4',5',7'-Tetrabromofluorescein, disodium salt, Eosin Yellowish, 2', 4', 5'
• InChI Key: MASXMTNVNASWNH-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-].O.O.O.[Na+].[Na+]
• Molecular Weight (g/mol): 745.904
• Formula Weight: 691.85
• Grade: Pure
• Density: 1.0180g/mL
• Physical Form: Fine Crystalline Powder

Safety and Handling

GHS H Statement:
Causes serious eye irritation.

GHS P Statement:
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

Warning

Product Identifier

• Eosin Y

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2

Hazard Statement

• H319-Causes serious eye irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only