Fluorescein, Laser Grade 99%, Thermo Scientific Chemicals

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.

Specifications

Chemical Identifiers

• CAS: 2321-07-5
• Molecular Formula: C20H12O5
• Molecular Weight (g/mol): 332.31
• InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N
• PubChem CID: 16850
• ChEBI: CHEBI:31624
• IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
• SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

• Assay Percent Range: 99%
• Fluorescence Max: 518nm (in basic CH3OH)
• Beilstein: 19, 222
• Merck Index: 15, 4192
• Infrared Spectrum: Authentic
• Lambda Max: 498nm (in basic MeOH)
• Formula Weight: 332.3
• Percent Purity: ≥98.5%
• Grade: Pure
• Molar Absorption Coefficient: 63900L/(mole.cm) (lambda max.)
• Packaging: Glass bottle
• Suitability: (for use as a laser dye) passes
• Color: Orange to Red
• Quantity: 500 mg
• Physical Form: Powder
• Chemical Name or Material: Fluorescein, 99%

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement: May cause an allergic skin reaction. Causes serious eye irritation.
Precautionary Statement	GHS P Statement: Wear eye protection/face protection. 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.
EINECSNumber	219-031-8
RTECSNumber	LM5075000
TSCA	TSCA

SDS

RUO – Research Use Only