2',7'-Dichlorofluorescein ~90% (by TLC), powder chemical indicator, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Certificates
About this item
CAS Number:76-54-0
:
Formula:C₂₀H₁₀Cl₂O₅
MDL Number:MFCD00005047
Melting Pt:280 °C (dec., lit.)
Density:0,79 g/cm³
:M-Clarity™ quality level = MQ200
:401.20 g/mol
EINECS:200-968-6
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
Specification Test Results
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