CHA Spectrastat™ Systems: To overcome the weak fungistatic performance of diols, INOLEX has developed new innovative hurdle technology. Inolex designed a novel chelating agent (caprylhydroxamic acid/CHA) that together with diols provides guaranteed broad spectrum performance. The Spectrastat range combines the optimal ratios of CHA with the leading medium-chain diols, providing the most effective alternative preservation system on the market.


  • CHA is an organic acid, chelating agent, and short chain surfactant that through several modes of action dramatically increases the hurdle effect. As a chelating agent, it targets iron (Fe²+ and Fe³+), which are the key nutrients needed by Aspergillus brasiliensis.

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