Cetrimide is a bactericidal cationic surfactant used against Gram-positive bacteria. It is commonly used in selective medium to isolate Pseudomonas aeruginosa. Cetrimide is an active ingredient in Cetavlon, a detergent used in plant surface sterilization protocols. It is also used in molecular biology protocols as a detergent to isolate high molecular weight DNA.
Cetrimide is freely soluble in water.
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