5(6)-Carboxy-2′,7′-dichlorofluorescein

• Catalog No.: 21882
• CAS Number: 111843-78-8
• M. F.: C42H20Cl4O14
• M. W.: 890.4118
• Purity: ≥95% (TLC)

SYNONYMS

• IUPAC name: 2-(2,7-dichloro-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzene-1,4-dicarboxylic acid; 4-(2,7-dichloro-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzene-1,3-dicarboxylic acid
• IUPAC Traditional name: 2-(2,7-dichloro-3-hydroxy-6-oxoxanthen-9-yl)benzene-1,4-dicarboxylic acid; 4-(2,7-dichloro-3-hydroxy-6-oxoxanthen-9-yl)benzene-1,3-dicarboxylic acid

DATABASE IDS

• CAS Number: 111843-78-8
• PubChem SID: 24853090
• MDL Number: MFCD00037452

PROPERTIES

• Empirical Formula (Hill Notation): C21H10Cl2O7
• Product Line: BioReagent
• Purity: ≥95% (TLC)
• Suitability: suitable for fluorescence
• pKa: 5.1
• Fluorescence: λex 504 nm; λem 529 nm in 0.1 M Tris pH 8.0
• Melting Point: ≥250 °C(lit.)
• Solubility: DMF: soluble
• Solubility: DMSO: soluble
• Solubility: H2O: soluble (pH ≥ 5)
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• German water hazard class: 3

DETAILS

Description (English)

Application
suitable as pH-indicator
Other Notes
Fluorescent intracellular pH indicator in the pH 4-5 range1

Description (简体中文)

Application
suitable as pH-indicator
Other Notes
Fluorescent intracellular pH indicator in the pH 4-5 range1