Eosin B, Certified, Pure, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10404891	Thermo Scientific Acros 409420250	25 g	Glass bottle
10404315	Thermo Scientific Acros 409421000	100 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: 548-24-3
• Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉
• MDL Number: MFCD00005041
• Synonym: 4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt, 4', 5'-Dibromo-2', 7'-dinitrofluorescein, Eosin Bluish

Specifications

• CAS: 548-24-3
• Dye Content: 85% min.
• MDL Number: MFCD00005041
• Merck Index: 15, 3657
• Infrared Spectrum: Authentic
• Formula Weight: 624.06
• Color: Brown to Purple/Red
• Chemical Name or Material: Eosin B, Pure

• Absorption Ratio: 0.96 to 1.22
• Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉
• Beilstein: 19, 233
• Synonym: 4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt, 4', 5'-Dibromo-2', 7'-dinitrofluorescein, Eosin Bluish
• Lambda Max: 511 to 520nm (in water + 1% Na2CO3)
• Grade: Pure
• Physical Form: Crystalline Powder

Safety and Handling

GHS H Statement:
Causes serious eye damage.

GHS P Statement:
Wear 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.
Immediately call a POISON CENTER or doctor/physician.

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.

Danger

RUO – Research Use Only