ASCOTRAN® AC1 is a ready-to-use liquid corrosion inhibitor designed for the protection of ferrous metals in contact with acid solutions, especially those based on hydrochloric acid.

Chemical Family: Quaternary Ammonium Compounds

Applicable Processes: Pickling, Scale Removal

Compatible Substrates & Surfaces: Metal

Features: Corrosion Resistant, Scale Inhibiting, Water Soluble

Technical Data Sheet

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Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims
Industrial Additives Features
Ready-to-Use Product Features
Product Features
  • Fully hydrosoluble liquid
  • Non flammable
  • High protection power of ferrous metals in contact with chlorhydric acid solutions.
  • Free from methenamine or methyloxirane.

Applications & Uses

Applicable Processes
Compatible Substrates & Surfaces
Use Level
0.5 - 1% (according to the duration of contact with metals, at ambient temperature), 2 - 5% (according to the duration of contact with metals, between 30 and 45°C)
Product Application

Mainly used in below applications :

  • Pickling of metal pieces in acid medium ;
  • Elimination of scale deposits with acids on metallic surfaces ;
  • Cleaning of surfaces by acid solutions ;
  • Protection of metal packagings containing acid solutions.

Directly incorporated in the solution to be treated, without any pre-mixing.
Indicative dosages (% in total weight of the solution to be treated) :

  • Medium HCl 10 to 20%, use at ambient temperature : 0,5 to 1%, according to the duration of contact with metals.
  • Medium HCl 10 to 20%, use between 30 and 45°C : 2 to 5%, according to the duration of contact with metals.


Physical Form
Soluble In
Clear liquid
Miscible in
Typical Properties
ValueUnitsTest Method / Conditions
Density (at 20°C)0.98 - 1.02--
Viscosity (at 20°C)max. 20cPs-
pH Pure (at 20°C)7.3 - 7.9--
Freezing Pointapprox. 0°C-

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging Type
Packaging Information
  • Plastic pail of 30kg net.
  • Metal drum of 200kg net.
  • IBC of 1000 kg net.

No specific condition for transport. Weight and packaging size (off-pallet) :

  • Pail : 1.5kg - Ø30, H50
  • Drum : 15kg - Ø60, H90
  • IBC : 70kg - L120, l100, H120

Storage & Handling

Shelf Life
2 Years
Storage and Shelf Information
  • Ideal temperature conditions : 5 to 30°C.
  • Exposure : avoid direct exposure to sunlight.
  • Expiration : 2 years in its original sealed drum, in the storage conditions described above.