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

• Melting Point: 314.0°C to 316.0°C
• Assay Percent Range: 99%
• Fluorescence Max: 518nm (in basic CH3OH)
• Beilstein: 19, 222
• Merck Index: 15, 4192
• Solubility Information: Solubility in water: insoluble. Other solubilities: soluble in dilute alkalies and dilute acids, soluble in boiling alcohol and ether, insoluble in benzene and chloroform
• Infrared Spectrum: Authentic
• Lambda Max: 498nm (in basic MeOH)
• Formula Weight: 332.3
• Percent Purity: 99%
• 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: 1 g
• Physical Form: Powder
• Chemical Name or Material: Fluorescein, 99%

Safety and Handling

Product Identifier

• Fluorescein

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.

Supplemental information

• MIXTURE LIST-Contains : Fluorescein

RUO – Research Use Only