2',7'-Dichlorofluorescein ~90% (by TLC), powder chemical indicator, Sigma-Aldrich®

:76-54-0

:C₂₀H₁₀Cl₂O₅

:MFCD00005047

:280 °C (dec., lit.)

:0,79 g/cm³

:M-Clarity™ quality level = MQ200

:401.20 g/mol

: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