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

Product Code.	Quantity	Packaging	unitSize
10646932	100 g	Glass bottle	100g
10061830	25 g	Glass bottle	25g
10676584	500 g	Glass bottle	500g

Product Code. 10646932

Brand: Thermo Scientific Chemicals 152881000

Description

CAS: 17372-87-1 | C20H12Br4Na2O8 | 745.904 g/mol

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

Specifications

Chemical Identifiers

• CAS: 17372-87-1
• Molecular Formula: C20H12Br4Na2O8
• Molecular Weight (g/mol): 745.904
• MDL Number: MFCD00005040
• InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L
• Synonym: 2',4',5',7'-Tetrabromofluorescein, disodium salt, Eosin Yellowish, 2', 4', 5'
• PubChem CID: 91886399
• IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
• 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+]

• Melting Point: >300.0°C
• Dye Content: 90% min. (on dry substance)
• Beilstein: 19, IV, 2917
• Merck Index: 15, 3658
• Solubility Information: Solubility in water: freely soluble. Other solubilities: sparingly soluble in alcohol, insoluble in diethyl ether
• Infrared Spectrum: Authentic
• Formula Weight: 691.85
• Loss on Drying: 10% max.
• Grade: Pure
• Packaging: Glass bottle
• Specific Gravity: 1.018
• Density: 1.0180g/mL
• Color: Brown to Red
• Quantity: 100 g
• Physical Form: Fine Crystalline Powder
• Chemical Name or Material: Eosin Y, High purity biological stain

Safety and Handling

Product Identifier

• Eosin Y

Signal Word

• Warning

Hazard Category

• Serious eye damage/eye irritation Category 2
• Skin sensitiser Category 1

Hazard Statement

• H317-May cause an allergic skin reaction.
• H319-Causes serious eye irritation.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P337+P313-If eye irritation persists: Get medical advice/attention.

Supplemental information

• MIXTURE LIST-Contains : Eosin Y

SDS

RUO – Research Use Only