Indigo carmine (C.I. 73015), 25 g
Molar mass (M) 466,36 g/mol
Density (D) 0,714 g/cm³
Flash point (flp) >250 °C
Melting point (mp) >300 °C
CAS No. [860-22-0]
Dissolve 0.25 g in 100 ml ethanol (50 %) or 1 g in 100 ml water
excl. VAT. | 25 g per Pack Qty.
Art. No. 2700.1
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Indigo carmine (C.I. 73015) ≥80 %, p.a.
|Colour conversion||blue - yellow|
|Transition range pH||11,5 - 14,0|
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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||dark blue to purple powder|
|Dye content||≥80 %|
|Loss on drying||≤5 %|
|Heavy metals (as Pb)||≤0,004 %|
|Arsenic (As)||≤0,0008 %|
|Cadmium (Cd)||≤0,0001 %|
|Mercury (Hg)||≤0,0001 %|