OilPro CII-1 can be used from ambient temperature up to 400°F in HCl. OilPro CII-1 can be used in oil and gas acidizing operations with hydrochloric acid concentration up to 32%. OilPro CII-1 can also be used in sulfuric and hydrofluoric acid blends with a temperature up to 350°F. OilPro CII-1 also provides excellent corrosion protection for coil tubing used in acidizing.