正辛酰胺；辛酰氧肟酸；辛基异羟肟酸

Caprylhydroxamic Acid performs superbly at neutral pH and has excellent
efficacy of fungistatic agents.it is the only organic acid which can maintain
unionized state in acid to neutral,strong inhibitory mold（A. Niger）,it can chelate
with Fe2+ and Fe3+ excellently. Then, it can stop mold to get Fe.
Caprylhydroxamic Acid has the best length(C8) of C chain to promote
degradation of cell membrane structures,it can take place of traditional
preservatives when applied to the cosmetic.