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

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: 76-54-0
• Molecular Formula: C20H10Cl2O5
• Molecular Weight (g/mol): 401.195
• MDL Number: MFCD00005047
• InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N
• Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-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

• Absorbance: 2000 (at lambda min.)
• Beilstein: 19, V,6, 461
• Merck Index: 15, 3076
• Infrared Spectrum: Authentic
• Lambda Max: 501 to 503nm (in 0.1N NaOH)
• Formula Weight: 401.2
• Loss on Drying: 5% max. (110°C)
• Grade: Extra Pure
• Packaging: Glass bottle
• Density: 0.79g/mL
• Color: Brown/Red to Orange
• Quantity: 25 g
• Physical Form: Powder
• Chemical Name or Material: 2', 7'-Dichlorofluorescein

Safety and Handling

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