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Congo red (C.I. 22120), 100 g

Congo red (C.I. 22120), 100 g

SKU 0322.3
€ 97,69
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Congo red (C.I. 22120), 100 g
Product Details
CAS number: 39537-23-0
Chemical formulas: C8H15N3O4
HS code: 32041900
Brand: Carl Roth
Congo Red (C.I. 22120), for microscopy, Molar mass (M) 696,66 g/mol, CAS No. [573-58-0], EG-Nr. 209-358-4, Empirical formula C32H22N6Na2O6S2


Congo red (C.I. 22120) for microscopy

Azo dye, soluble in water (colloidal solution) and ethanol. A 1 % solution in ethanol is used for detection of amyloid proteins (= abnormally mutated proteins).



Technische informatie
Kleuromslag blue - red
Omslagbereik pH 3,0 - 5,2

Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.


Absorption max. (in H2O) 490-500 nm
Loss on drying ≤5,0 %
pH-transition range 3,0 (blue) - 5,2 (red)
Suitability for microscopy complies
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