Question

An example for cationic detergent is?

• A. NaLS
• B. CTAB
• C. Trimethyl phosphate
• D. All

Answer 1

Answer: (B)

CTAB

Cetrimonium bromide $\left(\right(C_{16}{H}_{33}\left)N\right(C{H}_3{)}_{3}Br)$, cetyltrimethylammonium bromide, hexadecyltrimethylammonium bromide (CTAB) is one of the components of the topical antiseptic cetrimide. The cetrimonium (or hexadecyltrimethylammonium) cation is an effective antiseptic agent against bacteria and fungi.

It is a cationic surfactant. Its uses include providing a buffer solution for the extraction of DNA.