1. Product Introduction & Main Application
Arnico’s Hydrochloric Acid is a clear, colorless to pale yellow, fuming solution of hydrogen chloride gas in water, with a very pungent odor. This strong, highly corrosive mineral acid is one of the most fundamental industrial chemicals, with vital applications in metal pickling, the production of chlorinated compounds, pH regulation in water treatment, and oil well acidizing.
2. Technical Specifications
| Technical Parameter | Standard Industrial Grade (33%) | Chemical Synthesis Grade (CP 37%) | Unit |
|---|---|---|---|
| Concentration (as HCl) | 33.0 ± 1.0 | 37.0 ± 0.5 | % |
| Iron (Fe) | ≤ 5 | ≤ 0.5 | ppm |
| Heavy Metals (as Pb) | ≤ 5 | ≤ 1 | ppm |
| Sulfate (SO₄) | ≤ 20 | ≤ 5 | ppm |
| Residue on Ignition | ≤ 15 | ≤ 5 | ppm |
| Free Chlorine | ≤ 10 | ≤ 5 | ppm |
| Density (20°C) | 1.16 – 1.17 | 1.18 – 1.19 | g/cm³ |
3. Features & Benefits
-
Unmatched Acid Strength: Provides rapid penetration and complete removal of metal oxides (rust and scale) in steel pickling operations.
-
High Purity for Synthesis (CP Grade): The 37% grade with minimal metal and organic impurities is critical for the synthesis of sensitive pharmaceuticals and fine chemicals.
-
Guaranteed Reactivity: Forms chloride salts with high efficiency, which is the basis for manufacturing PVC and metal chlorides.
-
Precise pH Control: Enables accurate acidity adjustment in water treatment systems and the neutralization of alkaline effluents.
4. Industrial Applications
-
Metallurgy & Steel: Pickling of hot-rolled steel sheets to remove surface rust and oxides.
-
Petrochemical & PVC Production: Production of Vinyl Chloride Monomer (VCM) and Polyvinyl Chloride (PVC).
-
Food & Pharmaceutical Industry: Hydrolysis of proteins, glucose syrup production, and pH adjustment in fermentation processes.
-
Oil & Gas: Matrix acidizing of wells to increase the permeability of the reservoir rock and enhance recovery.
5. Safety & Handling
-
MSDS (Material Safety Data Sheet): This substance is severely corrosive, and its vapors cause severe damage to respiratory tissues and the eyes. Obtaining and studying the Arnico MSDS is mandatory.
-
Storage Conditions: Store in FRP, rubber-lined, or heavy-duty polyethylene tanks, in a well-ventilated area, and away from alkalis, oxidizers, and reactive metals.
-
Personal Protective Equipment (PPE): When handling, the use of full acid-resistant clothing, PVC gloves, rubber boots, and a full-face respirator with an acid gas filter is mandatory.
6. Quality Assurance & COA
All Arnico Hydrochloric Acid shipments are supplied with a Certificate of Analysis (COA) detailing the exact titrated concentration and a metal impurity analysis.
