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

Product Code	Brand	Quantity	Packaging
10032600	Thermo Scientific Chemicals 191530050	5 g	Glass bottle
10511451	Thermo Scientific Chemicals 191530250	25 g	Glass bottle
10105113	Thermo Scientific Chemicals 191531000	100 g	Glass bottle

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.

Chemical Identifiers

• CAS: 76-54-0
• Molecular Weight (g/mol): 401.195
• InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N
• PubChem CID: 64944
• IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one

• Molecular Formula: C20H10Cl2O5
• MDL Number: MFCD00005047
• Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
• ChEBI: CHEBI:51596
• SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl

Specifications

• Absorbance: 2000 (at lambda min.)
• Molecular Formula: C20H10Cl2O5
• Beilstein: 19, V,6, 461
• Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
• Infrared Spectrum: Authentic
• IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
• PubChem CID: 64944
• Lambda Max: 501 to 503nm (in 0.1N NaOH)
• Loss on Drying: 5% max. (110°C)
• Density: 0.79g/mL
• Physical Form: Powder

• CAS: 76-54-0
• MDL Number: MFCD00005047
• Merck Index: 15, 3076
• InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N
• SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl
• Molecular Weight (g/mol): 401.195
• ChEBI: CHEBI:51596
• Formula Weight: 401.2
• Grade: Extra Pure
• Color: Brown/Red to Orange
• Chemical Name or Material: 2', 7'-Dichlorofluorescein

Safety and Handling

GHS H Statement:
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF ON SKIN: Wash with plenty of soap and water.
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.

Product Identifier

• 2'',7''-Dichlorofluorescein

Signal Word

• Warning

Hazard Category

• Skin corrosion/irritation Category 2
• Serious eye damage/eye 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.
• P302+P352-IF ON SKIN: Wash with plenty of water/soap.
• 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.

RUO – Research Use Only