Hydrochloric acid (HCL)
Overview:
Hydrochloric acid is a highly corrosive, clear, colorless to slightly yellow liquid with a pungent, irritating odor. It is a solution of hydrogen chloride (HCl) gas in water and is one of the most widely used and versatile mineral acids in the chemical industry.
Chemical Formula: HCl
Concentration: Commonly available in concentrations ranging from 30% to 35%
CAS Number: 7647-01-0
Appearance: Clear to light yellow liquid
Molecular Weight: 36.46 g/mol
Boiling Point: ~110°C (at 32% concentration)
pH: < 1 (very strongly acidic)
Packaging Options:
Golden Chemical Agency supplies Hydrochloric Acid in a variety of packaging sizes, including:
35 kg / 50 kg HDPE carboys
200-liter drums
Bulk tankers (for industrial use)
Applications:
Hydrochloric acid is widely used across various industries due to its strong acidic properties and high reactivity. Key applications include:
Chemical Manufacturing: Used in the production of vinyl chloride (for PVC), fertilizers, dyes, and inorganic chlorides.
Metal Processing: Essential for pickling of steel to remove rust or iron oxide before further processing.
Food Industry: Used in the production of food additives and as a processing aid (regulated by safety standards).
Water Treatment: Helps in pH control and regeneration of ion exchange resins in water purification systems.
Pharmaceuticals: Plays a key role in synthesizing a wide variety of pharmaceutical ingredients and intermediates.
Oil & Gas Industry: Used in well acidizing to dissolve rock formations and improve oil recovery.
Cleaning Agent: A powerful cleaner and descaler for industrial equipment and surfaces.
Handling & Safety:
Hydrochloric acid is extremely corrosive and requires careful handling. Always use appropriate PPE (Personal Protective Equipment) including gloves, goggles, and chemical-resistant clothing. Adequate ventilation is essential. In case of contact, flush the affected area with plenty of water and seek medical attention immediately.
Storage: Store in a cool, dry, well-ventilated area away from incompatible materials like oxidizers and bases. Use corrosion-resistant containers.
Transport: Classified as a hazardous material (UN1789) – handle in accordance with local and international transport regulations.
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