is a strong and widely used mineral acid. It is used in a wide variety of industries and laboratories. It is a colorless, pungent, and corrosive liquid.
✅ Main Uses of Hydrochloric Acid
1. Metal Industry
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Metal cleaning (pickling): It is used especially to remove rust and oxides from steel and iron surfaces .
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It is used for surface preparation before metal coating (e.g. galvanizing).
2. Chemical Industry
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It acts as an intermediate in the synthesis of organic and inorganic compounds .
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It is used in the production of plastics such as PVC (polyvinyl chloride) .
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It is used in the production of various salts such as ammonium chloride and calcium chloride .
3. Food Industry
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pH adjuster (additive with code E507): Used in food processing and additive production.
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It is used in the production of gelatin and corn syrup .
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It can also be used for cleaning and disinfection purposes (e.g. in beverage lines).
4. Water Purification
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Used to lower pH .
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Used in industrial wastewater and drinking water systems.
5. Construction and Cleaning Sector
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It is used as a lime and rust remover (especially in toilet and tile cleaning).
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It can also be used for cleaning concrete surfaces and as a ready-mixed concrete additive.
6. Laboratory Use
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It is widely used in acid-base reactions, pH adjustments and various chemical analyses.
7. Oil and Gas Industry
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It is used in well drilling operations (especially to dissolve rocks).
8. Leather Industry
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It is used in leather processing, descaling and pH adjustment processes.
⚠️ Attention:
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Hydrochloric acid is corrosive and its vapors are harmful.
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It should not be used without appropriate protective equipment.