Steroid glycoside and non-onic detergent with high binding capacity for cholesterol. Digitonin is used for permeabilisation of plasma membranes as well as for mild solubilisation of membrane-bound proteins.
Appearance | white, cryst. powder |
Solution (2,5 %, warm EtOH) | clear, colourless |
Solubility (1 g dissolved in 20 ml H2O by heating up to 95-98 °C for 15 min, clear colorless) | complies |
Spec. rotation [α]20D (c=1 in ethanol) | -57,0° to -49,0° |
Sulphated ash | ≤0,3 % |
Loss on drying (3 h, 105 °C, vacuum) | ≤6,0 % |
Water (KF) | ≤6,0 % |