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2',7'-Dichlorofluorescein, Thermo Scientific Chemicals

Catalog No. AAA1621206
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2',7'-Dichlorofluorescein is used as an indicator and as a cellular antioxidant activity. It is also used for the determination of carbohydrates and hydrogen peroxide by fluorescence densitometry and chemiluminescence respectively. It is used as an indicator for argentometry by Fajans method. It is also involved in the cellular antioxidant activity assay. It is utilized as an additive in fluorescence and laser studies.

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
2′,7′-Dichlorofluorescein is used as an indicator and as a cellular antioxidant activity. It is also used for the determination of carbohydrates and hydrogen peroxide by fluorescence densitometry and chemiluminescence respectively. It is used as an indicator for argentometry by Fajans method. It is also involved in the cellular antioxidant activity assay. It is utilized as an additive in fluorescence and laser studies.

Solubility
Soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water.

Notes
As a fluorescent indicatorIncompatible with strong oxidizing agents.

Chemical Identifiers

CAS

76-54-0

Molecular Formula

C20H10Cl2O5

Molecular Weight (g/mol)

401.195

MDL Number

MFCD00005047

InChI Key

VFNKZQNIXUFLBC-UHFFFAOYSA-N

Synonym

2',7'-dichlorofluorescein, dichlorofluorescein, unii-56nqm5uzt1, 2,7-dichlorofluorescein, 56nqm5uzt1, spiro isobenzofuran-1 3h ,9'-9h xanthen-3-one, 2',7'-dichloro-3',6'-dihydroxy, 2',7'-dichloro-3',6'-dihydroxy-3h-spiro isobenzofuran-1,9'-xanthen-3-one, 2',7'-dichloro-3',6'-dihydroxyspiro 2-benzofuran-3,9'-xanthene-1-one, 11,16-dichloro-12,15-dihydroxyspiro 3-hydroisobenzofuran-3,9'-xanthene-1-one

PubChem CID

64944

ChEBI

CHEBI:51596

IUPAC Name

2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

SMILES

C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl

Specifications

Melting Point

>300°C (decomposition)

Quantity

5 g

Solubility Information

Soluble in ethanol and methanol. Slightly dimethyl sulfoxide. Insoluble in water.

Formula Weight

401.2

Chemical Name or Material

2′, 7′-Dichlorofluorescein

Hazard Category

H315-H319-H335-H500

Hazard Statement

GHS H Statement
H319

Precautionary Statement

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

EINECSNumber

200-968-6

TSCA

Yes

Recommended Storage

Ambient temperatures
SDS

RUO – Research Use Only

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