| abstract |
(57) [Summary] [Structure] R 1 3 R 2 P + X − (wherein R 1 is an alkyl group having 1 to 3 carbon atoms, R 2 is 12 to 18 carbon atoms) Alkyl group, X − represents a halogen ion of F − , Cl − or Br − , or an anion of an inorganic acid or an organic acid), which is a bactericidal / algicidal agent containing a tetraalkylphosphonium salt represented by the formula. [Effect] To provide a bactericidal / algicidal agent exhibiting sufficient bactericidal / algicidal activity even when used at a low concentration, and having less air bubbles and odor. |