| CPC C09K 8/54 (2013.01) [C09K 23/18 (2022.01); C09K 23/38 (2022.01); C09K 23/42 (2022.01)] | 28 Claims |
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1. An acid corrosion inhibitor comprising:
14-17 weight (wt) % of an active corrosion intermediate comprising alkylated pyridine;
an internal intensifier comprising formic acid;
9-12 wt % of a filming additive comprising cinnamaldehyde;
a surfactant comprising one or more selected from the group consisting of propylene glycol methyl ether, alcohol ethoxylate, and combinations thereof; and
a solvent comprising ethylene glycol,
wherein the acid corrosion inhibitor is characterized in that it inhibits corrosion in the absence of an organosulfur compound.
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