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Thymolphthalein Technical Specifications Sheet
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CAS No.
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125 - 20 - 2
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Chemical Formula
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C28H30O4
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Molecular Weight
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430.54
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Melting Point
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251-253oC
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Dye Content
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~95%
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Solution Clarity (Ethanol)
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To pass
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Absorption Max pH10.5
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592-596 nm
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Absorptivity (1%,1cm) pH10.5
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1034
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Transition Range
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pH 9.3-10.5 Colourless - Blue
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Loss On Drying (110oC)
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<3%
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