Phenolphthalein (C.I. 764), 100 g
Molar mass (M) 318,33 g/mol
Density (D) 1,3 g/cm³
Boiling point (bp) >450 °C
Melting point (mp) 263 °C
CAS No. [77-09-8]
Dissolve 0.1 g in 100 ml ethanol (96 %)
excl. VAT. | 100 g per Pack Qty.
Art. No. T126.1
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Phenolphthalein (C.I. 764) ≥99 %, p.a.
|Colour conversion||colourless - purple|
|Handling area pH||8,0 - 10,0|
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Indicators and Dyes
Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.
|Appearance||white to yellowish powder|
|Assay (HPLC)||≥99,0 %|
|Transition range||8,0 (colourless) - 10,0 (red-violet)|
|Absorption max. (buffer, pH 9,8)||551-554 nm|
|Loss on drying (105 °C)||≤1,0 %|