2',7'-Dichlorofluorescein ~90% (by TLC), powder chemical indicator, Sigma-Aldrich®
Supplier: SIGMA-ALDRICH MICROSCOPY
M-Clarity™ quality level = MQ200
D6665-25GEA
359
EUR
D6665-25G
D6665-5G
2',7'-Dichlorofluorescein ~90% (by TLC), powder chemical indicator, Sigma-Aldrich®
2',7'-Dichlorofluorescein
2′,7′-Dichlorofluorescein is an oxidation-sensitive fluorescent probe. 2′7′-dichlorofluorescein diacetate is oxidized to 2′7′-dichlorofluorescein in the presence of ROS (reactive oxygen species). 2′,7′-Dichlorofluorescein has been used as an oxidation-sensitive fluorescent probe to measure ROS (reactive oxygen species) formation in cells.
Formula:
C₂₀H₁₀Cl₂O₅ MW: 401,20 g/mol Melting Pt: 280 °C (dec., lit.) Density: 0,79 g/cm³ |
CAS Number:
76-54-0 |
Specification Test Results
Appearance (form) | Powder |
Purity (TLC area %) | ~90% (85 - 100%) |
Solubility (colour) | Very faint brown-yellow to very dark brown-yellow to very dark orange |
Solubility (turbidity) | Clear to hazy |
Solubility (method) | 25 mg/ml in ethanol |
Application test | Suitable for use as an indicator in chloride titrations |
Recommended retest period | 48 months |
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