4-(Phenylazo) diphenylamine, 25 g
Molar mass (M) 273,34 g/mol
Melting point (mp) 91 °C
CAS No. [101-75-7]
insoluble in water, soluble in methanol
excl. VAT. | 25 g per Pack Qty.
Art. No. 4538.2
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4-(Phenylazo) diphenylamine ≥97 %, p.a.
|Colour conversion||red - yellow|
|Handling area pH||1,2 - 2,5|
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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||orange to orange-brown powder|
|Absorption max. (in EtOH)||~411 nm|
|pH-transition range||1,2 (red)-2,5 (yellow)|