Hydrochloric Acid 37%

🔹 Physical and Chemical Properties:

• Chemical formula: HCl
• Molar mass: 36.46 g/mol
• Concentration: ~37% (fuming)
• Appearance: Clear, colorless to slightly yellow liquid
• Density: ~1.19 g/cm³ at 20 °C
• pH (diluted solution): < 1
• Vapor pressure: ~190 hPa at 20 °C
• Stability: Stable under normal conditions; vapors are corrosive and irritating

🔹 Uses:

• As a strong acid reagent in analytical chemistry for titrations, pH adjustments, and sample digestion
• In inorganic and organic synthesis to acidify mixtures or dissolve metals and salts
• Cleaning and descaling laboratory glassware, preparing acidified solutions
• Industrial and environmental applications, e.g., metal treatment, wastewater pH adjustment

⚠️ Safety Notes:

• Corrosive; causes severe burns to skin and eyes, and irritates respiratory tract
• Hazardous if ingested or inhaled; use only in fume hood or well-ventilated area
• Protective measures required: Wear chemical-resistant gloves, safety goggles or face shield, and lab coat
• Storage: Keep container tightly closed, in a cool, dry, well-ventilated place away from incompatible materials (strong bases, oxidizers, metals)