Hydrochloric acid supplier in Pakistan
the complete industrial guide to HCl
Hydrochloric Acid, known as HCl, is one of the most widely used industrial chemicals in Pakistan. From steel pickling and water treatment to chemical manufacturing, pharmaceuticals, and oil and gas, it remains a critical reagent for manufacturers and processors across the country.
Typical commercial concentration range for hydrochloric acid used in mainstream industrial applications.
Estimated global Hydrochloric Acid market value in 2024, with strong growth driven by industrial demand.
Steel pickling share of global HCl demand, making it one of the most important end-use sectors.
What is Hydrochloric Acid (HCl)?
Hydrochloric acid is an aqueous solution of hydrogen chloride gas dissolved in water. In its concentrated form, usually 32 to 36% HCl by weight, it appears as a colourless to slightly yellow, highly pungent, fuming liquid. It is a strong monoprotic acid, meaning it fully dissociates in water and releases hydrogen and chloride ions, making it one of the most powerfully acidic solutions used in standard industrial practice.
The pure hydrogen chloride gas itself is colourless and has a sharp, choking odour. The familiar fuming behaviour of concentrated hydrochloric acid occurs because HCl gas continuously escapes from the liquid surface into the air. These fumes are corrosive to the eyes, mucous membranes, and respiratory tract, which is why handling requires proper ventilation and protective equipment.
In Pakistan, hydrochloric acid is a key industrial workhorse. Steel processors use it for pickling. Water treatment plants use it for ion exchange resin regeneration and pH adjustment. Chemical manufacturers use it as a foundational reagent. Pharmaceutical companies use it in API synthesis. The oil and gas sector uses it for well acidizing and scale removal.
Chemical & physical properties of Hydrochloric Acid
| Property | Details |
|---|---|
| Chemical name | Hydrochloric Acid / Hydrogen Chloride (aqueous) |
| Common names | HCl, Muriatic Acid, Spirit of Salt, Chlorhydric Acid |
| Chemical formula | HCl (gas); HCl·H₂O (solution) |
| CAS Number | 7647-01-0 |
| Molecular weight | 36.46 g/mol |
| Appearance | Colourless to pale yellow fuming liquid |
| Odour | Pungent, choking, highly irritating |
| pH (0.1M solution) | ~1.0 |
| Boiling point (32% solution) | 84°C |
| Density (32% solution) | 1.16 g/cm³ |
| Density (36% solution) | 1.18 g/cm³ |
| Vapour pressure (20°C) | ~16 mmHg |
| Azeotrope composition | 20.2% HCl at 108.6°C |
| Flash point | Non-flammable |
| Maximum concentration | ~38% by weight |
| UN Number | 1789 (solution), 1050 (anhydrous gas) |
| Hazard class | 8 (Corrosive) |
| EINECS No. | 231-595-7 |
| OSHA PEL | 5 ppm ceiling |
| NIOSH IDLH | 50 ppm |
How Hydrochloric Acid is manufactured
| Parameter | Synthetic HCl | Byproduct HCl |
|---|---|---|
| Raw materials | H₂ + Cl₂ or NaCl + H₂SO₄ | Organic chlorination coproduct |
| Purity | Very high | Industrial grade, may contain organics |
| Colour | Colourless | May be slightly yellow |
| Cost | Higher | Lower |
| Availability in Pakistan | Limited domestic production | Primarily imported |
| Typical use | Pharma, food, electronics | Steel pickling, chemical synthesis, water treatment |
Commercial grades & concentrations
| Grade | Concentration | Typical application |
|---|---|---|
| Dilute HCl | 5–15% | pH adjustment, laboratory work, mild cleaning, descaling |
| Grade | Concentration | Typical application |
|---|---|---|
| Commercial / Technical grade | 30–32% | Water treatment, industrial cleaning, general chemical processes |
| Grade | Concentration | Typical application |
|---|---|---|
| Standard industrial grade | 33–35% | Steel pickling, chemical manufacturing, oil well acidizing |
| Concentrated grade | 36–38% | High-strength industrial processes and synthesis work |
| Grade | Concentration | Typical application |
|---|---|---|
| Food grade (FCC) | 30–35% | Corn syrup production, gelatin processing, food pH control |
| Pharmaceutical grade (BP / USP) | 35–37% | API synthesis, excipient production, lab reagent |
| Electronic / Semiconductor grade | 36–37% | Wafer cleaning and semiconductor fabrication |
Industrial applications of Hydrochloric Acid in Pakistan
Steel pickling
Hydrochloric acid is used to remove mill scale, rust, and oxides from steel and iron before galvanising, cold drawing, wire drawing, electroplating, and welding. It works efficiently at ambient temperature and provides a cleaner finish than older sulfuric-based systems.
Water treatment
Used for ion exchange resin regeneration, alkaline pH correction, membrane cleaning, and selected iron and manganese removal processes. It is a steady-consumption acid for industrial water systems across textile, food, and pharma plants.
Chemical manufacturing
Acts as a foundational reagent in the production of calcium chloride, zinc chloride, ammonium chloride, aluminium chloride, iron chloride, organic chlorides, and many other downstream chemicals used in industry.
Industrial cleaning & descaling
Used to remove calcium carbonate, magnesium scale, and iron deposits from boilers, heat exchangers, pipelines, cooling towers, vessels, and plant equipment where scale reduces performance and efficiency.
Oil & gas well acidizing
Hydrochloric acid is pumped into carbonate formations to dissolve limestone and dolomite, create flow channels, clear scale, and improve well productivity in oil and gas operations across Pakistan.
Pharmaceutical manufacturing
Used in API synthesis, hydrochloride salt formation, pH adjustment for formulations, and gelatin processing. Pharmaceutical-grade material must meet strict limits for heavy metals and residual contaminants.
Food processing
Food-grade HCl is used for starch hydrolysis, gelatin production, glucose and corn syrup manufacture, fructose processing, and pH adjustment in specific food manufacturing applications.
Textile industry
Used to create acidic conditions for acid dye application, support wool processing, and neutralise alkaline wastewater from mercerisation and bleaching operations before discharge.
Commercial cleaners
Dilute hydrochloric acid is also used in toilet cleaners, tile cleaners, and selected commercial descaling products where mineral deposit removal is required.
| Steel pickling parameter | Typical range |
|---|---|
| HCl concentration in bath | 10–20% |
| Operating temperature | Ambient to 50°C |
| Immersion time | 15–60 minutes |
| Inhibitor addition | Recommended / essential |
| Spent acid residual HCl | 1–5% |
| Downstream product | Role of HCl |
|---|---|
| Calcium Chloride (CaCl₂) | Reaction with limestone for de-icing, dust control, refrigeration brine |
| Aluminium Chloride (AlCl₃) | Reaction with aluminium for catalyst and water treatment applications |
| Zinc Chloride | Used in metal fluxes, batteries, and textile processing |
| Iron (III) Chloride (FeCl₃) | Used in PCB etching and wastewater treatment |
| Ammonium Chloride | Used in fertilizer, flux, and pharmaceutical production |
| Organic chlorides | Used in solvents, refrigerants, and agrochemical intermediates |
Storage, handling & safety
Storage requirements
- Store in HDPE, FRP, or rubber-lined steel tanks and containers
- Keep storage areas well ventilated because hydrochloric acid continuously off-gases
- Keep away from alkalis, oxidising agents, and reactive metals
- Maximum recommended storage temperature is around 25°C
- Keep containers tightly sealed when not in active use
- Do not use ordinary mild steel, aluminium, copper, or zinc containers
PPE by concentration
- Up to 10%: chemical-resistant gloves and safety glasses
- 10–20%: gloves, goggles, and acid-resistant apron
- 20–35%: face shield, gloves, apron, and rubber boots
- Above 35%: full face shield, chemical suit, boots, gloves, and local exhaust or respirator
- Enclosed or bulk handling: SCBA recommended where fume risk is high
Critical first aid
- Skin contact: remove contaminated clothing and flush with water for at least 20 minutes
- Eye contact: flush immediately with low-pressure water for at least 20 minutes and seek emergency care
- Inhalation: move to fresh air immediately and seek medical attention if breathing is affected
- Ingestion: do not induce vomiting, rinse mouth, and seek emergency medical treatment
Handling advice
- Always add acid carefully according to plant SOPs
- Use dedicated transfer equipment for corrosive liquids
- Prevent leaks and vapour accumulation during unloading
- Neutralise and flush systems properly after descaling operations
Why source Hydrochloric Acid from AMZ Industries?
Verified concentration options
Concentration accuracy matters in pickling, regeneration, cleaning, and chemical synthesis. We support industrial buyers looking for dependable grade and concentration specifications.
Suitable packaging for corrosive chemicals
Hydrochloric acid is handled in compatible packaging such as HDPE drums and carboys to reduce leakage, contamination, and packaging failure risk during storage and transit.
Industrial and regulated grade support
Whether you need technical grade for plant operations or higher-purity product for regulated sectors, grade selection can be aligned with your specific use case.
Hazard documentation support
Corrosive chemical procurement requires proper documentation and logistics handling. We support industrial sourcing with the appropriate care required for hazardous materials.
Nationwide industrial delivery
We support supply across Lahore, Karachi, Faisalabad, Gujranwala, Multan, Sialkot, and other major industrial zones in Pakistan.
Application-driven supply
Our supply approach is aligned with real industrial sectors including steel, water treatment, chemicals, food, pharma, and oil and gas.
Supplying Hydrochloric Acid across Pakistan
AMZ Industries supports industrial buyers across Pakistan for hydrochloric acid requirements in steel processing, water treatment, chemical manufacturing, food processing, pharmaceuticals, cleaning, and oil and gas operations.
Frequently asked questions
Get in touch with AMZ Industries
If you are looking for a dependable Hydrochloric Acid supplier in Pakistan, contact AMZ Industries with your required grade, concentration, quantity, and delivery location. We support industrial buyers with specification-based supply and prompt quotation support.
