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Acid corrosion Inhibitor RXSOL 213
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Acidizing inhibitors
Corrosion Inhibitor for Acid Pickling and Descaling of Boilers with Acids.
Acid Inhibitors used in hydrochloric acid pickling baths, for reducing metal loss during uses of acid.

Corrosion Inhibitor-44

Inhibitor for ACID

Acid corrosion Inhibitor RXSOL 213  is an organic, liquid, cationic corrosion inhibitor especially designed to inhibit the attack of hydrochloric acid oiron and steel during industrial cleaning operations. It also inhibits acid attack on copper and brass. It does not contain arsenic, chlorinated hydrocarbons, or lead compounds.


Acids and corrosive materials are used to enhance production and to stimulate reservoirs therefore special care is required to ensure that casing, tubing strings and downhole equipment are not damaged. Blend of ACID with Acid corrosion Inhibitor RXSOL 213 protect your downhole equipment and metal tubulars.

Tag Identification

Acid corrosion Inhibitor RXSOL 213 have chemical properties of sequestration, deflocculation, threshold inhibition and hydrolytic stability etc. Acid corrosion Inhibitor RXSOL 213 also act as an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds. It can dissolve the oxidized materials on these metals’ surfaces.


Storage and Disposal

Acid corrosion Inhibitor RXSOL 213 and will not freeze at temperature as low as -20° Fahrenheit. Below 0° Fahrenheit,Acid corrosion Inhibitor RXSOL 213 become very viscous and may be difficult to pump. It is recommended that Acid corrosion Inhibitor RXSOL 213  be stored in a dry area where the temperature will not go lower than 0° Fahrenheit.

Applicable regulations concerning disposal and discharge of chemicals should be consulted and followed-

Disposal information for Acid corrosion Inhibitor RXSOL 213 is given on the Material Safety Data Sheet for each product.The industrial cleaning bath is acidic and contains hydrochloric acid and organic Acid corrosion Inhibitor RXSOL 213  components. Waste treatment , neutralization is required. The industrial cleaning bath and sludge can contain ingredients other than those in the chemical as supplied and analysis of the solution and/or sludge is required before waste treatment and disposal.

Safety and Handling :

Before handling the chemical products used in this process, the first aid and handling recommendations on the Material Safety Data Sheet for should be read, understood and followed. The industrial cleaning bath is strongly acid and can burn skin and eyes. Refer to the Material Safety Data Sheet for hydrochloric acid for recommendations for protective action.

Technical Specifications

ACID inhibitor for HCl, Hydrochloric Acid. 

During Acidization corrosion prevention must required to protect metal surface from ACID effect. Inhibited hydrochloric acid  (HCl), HF doesn't damage metal surface. 


The addition of Acid corrosion Inhibitor RXSOL 213, inhibitors to hydrochloric acid solution provides maximum protection for equipment during:
A. The removal of lime deposits or water scale from power plant boilers and piping systems and from evaporating equipment.

B. The removal of scale and deposits from equipment in refineries, utility companies,paper mills, chemical plants and other industries.

Acid corrosion Inhibitor RXSOL 213 inhibitors meet the requirements of Military Specification Nos.MIL-I-17433 and MIL-C-17434.

Industrial Area

When Acid like hydrochloric acid is used in system, it is needless to say that equipment can be protected without uses of Acid corrosion inhibitor.


Acid corrosion Inhibitor RXSOL 213 containing chelatig agent, acidic blend of complex alkyl pyridines, 1, 3, diethyl thiourea and many more to protects steel, brass and copper against the attack of acid. 


Can be use as single product for multiple acids, Easily soluble with all acid concentrations


For each For each 1000ltrs of pickling bath RODINE 31A must be added at the rate of 1 to 5ltrs (1.1 - 5.7kgs)* hydrochloric acid solution, not less than the following amount of Acid corrosion Inhibitor RXSOL 213  inhibitor should be used:

The dosage varies with the bath temperature as follows:

Up to 65 C - 1ltr (1.1kg)

65°C - 80°C - 3ltrs (3.4kg)

80°C - 90°C - 4ltrs (4.6kg)

90 - 100°C - 5ltrs (5.7kg)

The exceptional strength and heat stability of Acid corrosion Inhibitor RXSOL 213 give the user a considerable safety factor in relation to temperature, acid strength, and time. Acid corrosion Inhibitor RXSOL 213 may be added to either the diluted or concentrated hydrochloric acid. In either case, Acid corrosion Inhibitor RXSOL 213 should be thoroughly mixed with the acid by stirring or agitation.

The hydrochloric acid solution inhibited with Acid corrosion Inhibitor RXSOL 213 is best circulated through the equipment to be cleaned. When circulation cannot be accomplished, the equipment should be filled with the inhibited acid and allowed to react for sufficient time to remove the objectionable deposits. To estimate the proper acid concentration and cleaning time, samples of the deposits to be removed can be tested in the laboratory prior to cleaning. If heating of the equipment to be cleaned or acid solution is desired to speed the cleaning action, it should be done prior to the start of the cleaning operation


For replenishment of bath with concentrated pickling acid, RXSOL 213 should be dosed at the rate of 0.6 to 2.3kgs (0.5 to 2.0ltrs) per 100kgs of concentrated pickling acid.

RXSOL 213 is completely effective up to the following maximum temperatures:

In Hydrochloric acid - max.60°C

In Sulfuric, sulfamic and phosphoric acid- max.80°C In other acids - max.100°C..

Useful Area

Acid corrosion Inhibitor RXSOL 213 also resulting good corrosion and antiscaling effect. 

It's good resistance towards High and Low pH value makes it unique and better than that of other organophosphoric acids (salt). Acid corrosion Inhibitor RXSOL 213 also resulting high chlorine oxidation tolerance properties.

Acid corrosion Inhibitor RXSOL 213 has good antiscale and visible threshold effects. 


Exhibits excellent sequestration of metal ions and threshold inhibition of metal salt precipitation. Its hydrolytic stability makes it a versatile ingredient for applications requiring efficient metal ion control. Acid corrosion Inhibitor RXSOL 213 excellent scale and corrosion inhibition and good thermal tolerance ability.


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