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  7. 2',7'-Dichlorofluorescein, Thermo Scientific Chemicals

2',7'-Dichlorofluorescein, Thermo Scientific Chemicals

Product Code. 11493297
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Quantity:
5 g
25 g

Description

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.
TRUSTED_SUSTAINABILITY

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

Safety and Handling

compliance-icons
Product Identifier
  • 2,7-Dichlorofluorescein
 Signal Word
  • Warning
 Hazard Category
  • Serious eye damage/eye irritation Category 2
  • Skin corrosion/irritation Category 2
  • Specific target organ toxicity Category 3
 Hazard Statement
  • H315-Causes skin irritation.
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
 Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P302+P352-IF ON SKIN: Wash with plenty of water/soap.
  • 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 : 2,7-Dichlorofluorescein

RUO – Research Use Only

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