Hydrochloric Acid 33% Hydrochloric Acid 33% is a strong, corrosive aqueous solution used widely across industrial, laboratory, and chemical synthesis applications for pH regulation, metal cleaning, and reagent preparation. Product details: Chemical formula: HCl Concentration: Approximately 33% w/w hydrogen chloride in water Molecular weight: 36.46 g/mol Appearance: Clear, colorless to slightly yellow liquid Density: Approximately 1.159 g/mL at 20°C (68°F) pH: Less than 1 (strong acid) Boiling point: 84°C Melting point: -43°C Key features: Highly concentrated, strong acid suitable for diverse chemical applications Clear liquid with pungent odor characteristic of hydrogen chloride solutions Exhibits strong corrosivity requiring careful handling and safety precautions Compatible for use in metal pickling, pH adjustment, and chemical reagent synthesis Stored safely in containers resistant to corrosion and chemical attack Safety and handling: Corrosive to skin, eyes, and mucous membranes Reacts with metals releasing flammable hydrogen gas; avoid contact with metals Requires use of personal protective equipment (gloves, goggles, lab coat) and good ventilation Store in cool, dry, well-ventilated areas away from incompatibles Neutralize spills immediately with appropriate agents (e.g., sodium bicarbonate)
