Is there a difference between muriatic acid and hydrochloric acid?
Christopher Martinez
Updated on June 18, 2026
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Then, is muriatic acid and hydrochloric acid the same thing?
A. Katherine, they are generally the same thing--muriatic is the common name for industrial, or less pure,grades of hydrochloric acid. Treat either with care. A. Yes,with a slight difference: muriatic acid contains a higheramount of contaminants.
Likewise, what is the pH level of muriatic acid? pH of Common Acids and Bases
| Acid | Name | 1 mM |
|---|---|---|
| H2SO4 | sulfuric acid | 2.75 |
| HI | hydroiodic acid | 3.01 |
| HBr | hydrobromic acid | 3.01 |
| HCl | hydrochloric acid | 3.01 |
In respect to this, why do they call hydrochloric acid muriatic acid?
The old (pre-systematic) name muriatic acid hasthe same origin (muriatic means "pertaining to brine orsalt", hence muriate means hydrochloride), and this name isstill sometimes used. The name hydrochloric acid was coinedby the French chemist Joseph Louis Gay-Lussac in 1814.
What does muriatic acid react with?
Muriatic acid has a strong, stifling odor. It'scorrosive and can do serious damage to your respiratorysystem and your lungs. Wear a respirator when working with it.Never mix any other chemical with muriaticacid.
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