The pKa of 5-carboxy-2′,7′-dichlorosulfonefluorescein is near 4 and thus the dye is potentially an excellent pH indicator for acidic organelles.
- λEx/λ Em= 509/532nm (pH 9)
- λµ = 92,000
- Yellow solid soluble in DMSO, DMF or a buffer (pH >6)
- Store at room temperature and protect from light
- MW: 481.26
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Please note that products with recommended storage at 4°C or -20°C may ship at ambient temperature. This will not affect product performance. When you receive the product, place it under the recommended storage conditions.
More information about product handling and shelf life