Thermo Scientific Chemicals Fluorescein disodium salt hydrate

Description

CAS: 518-47-8 | C20H10Na2O5 | 376.28 g/mol

Fluorescein disodium salt hydrate is used in dye, ink pigment, in cosmetic products, to detect corneal epithelial defects, and also used as a fluorescent tracer to study blood-brain barrier.

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

Applications
Fluorescein disodium salt hydrate is used in dye, ink pigment, in cosmetic products, to detect corneal epithelial defects, and also used as a fluorescent tracer to study blood-brain barrier.

Solubility
Soluble in water(500g/L).

Notes
Store in cool, dry conditions in well sealed containers.

Specifications

Chemical Identifiers

• CAS: 518-47-8
• Molecular Formula: C20H10Na2O5
• Molecular Weight (g/mol): 376.28
• MDL Number: MFCD00167039
• InChI Key: NJDNXYGOVLYJHP-UHFFFAOYSA-L
• Synonym: Acid Yellow 73; C.I. 45350
• IUPAC Name: disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
• SMILES: [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12

• Melting Point: >250°C
• pH: 8.3
• Odor: Odorless
• Quantity: 500 g
• Beilstein: 3833041
• Merck Index: 14,4159
• Solubility Information: Soluble in water(500g/L).
• Formula Weight: 376.28
• Chemical Name or Material: Fluorescein disodium salt hydrate

Safety and Handling

EINECSNumber	208-253-0
RTECSNumber	LM5425000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only