CARMINIC ACID AR 98 For Microscopy CI No 75470
armine also called cochineal cochineal extract,
crimson lake or carmine lake,Coloring matter from the insect Coccus cacti
It is used in foods, pharmaceuticals,armine also called cochineal cochineal extract,
crimson lake or carmine lake,Coloring matter from the insect Coccus cacti L.
It is used in foods, pharmaceuticals,
Carminic acid (C.I. 75470) For staining nuclei in histological sections. Used to prepare staining solutions.
CAS 1260-17-9, pH 1.6 (10 g/l, H₂O, 20 °C).Carminic acid (C.I. 75470) For staining nuclei in histological sections. Used to prepare staining solutions.
CAS 1260-17-9, pH 1.6 (10 g/l, H₂O, 20 °C).
Assay (spectrophotometrically; calculated on dried substance)≥ 92 %Identity (UV/VIS-Spectrum)passes testAbsorption maximum λ max (Hydrochloric acid 0.06 mol/l)492 - 495 nmSpec. Absorptivity A 1%/1cm (λmax; 0.014 g/l; Hydrochloric acid 0.06 mol/l; calc. on dried substance)160 - 187Loss on drying (110 °C)≤ 10 %Suitability for microscopypasses test.