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Germicidal vs. Conditioning Quats

Posted: June 18, 2007

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Antimicrobial quats are registered with the EPA and have very specific alkyl chains and an aromatic group. They are commonly encountered as swimming pool algaecides and hard surface spray disinfectants.

Lauryl dimethyl benzyl ammonium chloride (germicidal quat)

CH2 C6H5 is benzyl.

The introduction of an amido group into the molecule increases mildness and conditioning.

Cetylamidopropyldimethyl ammonium chloride (conditioning quat)