Table 3 Properties of the two QAAC-molecules used in the experiments.

From: Smectite clay minerals reduce the acute toxicity of quaternary alkylammonium compounds towards potentially pathogenic bacterial taxa present in manure and soil

IUPAC name

N-Decyl-N,N-dimethyl-1-decanaminium chloride

N-Benzyl-N,N-dimethyl-1-dodecanaminium chloride

Molecular structure (schematically)

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CAS #

7173-51-5

139-07-1

Chemical formula

C22H48NCl

C21H38NCl

Acronym

DADMAC-C10

BAC-C12

CMC [mM]

1.78 ± 0.05

8.3 ± 0.1

Mol. Mass (g/mol)

362

339

mp [°C]

88

42

dm [nm]

0.99

1.06

  1. Both belong to the linear alkylammonium compounds. The equivalent molar diameter is given as dm. The critical micelle concentration (CMCs) were determined in deionized water according to50 using spectrofluormetry and pyren as fluorescens probe.
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