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Corrosion Inhibitor Para 4912

Corrosion inhibitor “HERCULES 4912” is a product of oxyethylation of imidazoline derivatives.

Corrosion inhibitor “HERCULES 4912” is designed to protect equipment and pipelines from corrosion caused by hydrogen sulfide, carbon dioxide, hydrogen chloride in the aquatic environment, and is used in the oil, gas production and processing industries.

Corrosion inhibitor “HERCULES 4912” is manufactured in accordance with TU 2492-029-17423242-2009 with rev. one.

Used in services

Protection of technological and pipeline equipment


Corrosion inhibitor “HERCULES 4912” is used in the oil and gas production and oil refining industries. The reagent is designed to provide effective protection of equipment and pipelines from corrosion caused by the presence of aggressive components such as hydrogen chloride, hydrogen sulfide, carbon dioxide and others. 


The effectiveness of the HERCULES 4912 corrosion inhibitor depends on the specific conditions of use, therefore, industrial dosages of the reagent can vary from 3 g / ton to 20 g / ton at oil refineries, and from 10 g / ton to 200 g / ton at oil and gas fields. It is recommended to supply the inhibitor using a dosing pump. 

physical and chemical indicators
Appearanceoily opaque liquid from light yellow to dark brown
Density at 20 ° С, g / cm30.990 – 1.050
Mass fraction of total nitrogen,%, not less3.0 ± 0.3
Mass fraction of non-volatile substances,%, not less98.2
Pour point, С, not higherminus 12
The pH value of a 1% aqueous solution, units10.0 – 12.0
Water solubilitycompletely soluble