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D141 SIGMA
Digitonin
Used as non-ionic detergent
Synonym: Digitin
CAS Number 11024-24-1
C56H92O29
Molecular Weight :1229.31
optical activity [α]20/D −54°, c = 2.8 in methanol(lit.)
mol wt micellar avg mol wt 70,000
aggregation number 60
CMC <0.5 mM(20-25°C)
mp 230-240 °C (dec.)(lit.)
solubility H2O: ~5 % (w/v) (solubilized by heating to 95 °C - 98 °C and then cooling to room temp.) |