This 1-liter Hydrochloric Acid solution is categorized as a Lewis acid within the realm of organic and bioorganic chemicals, specifically serving as a synthesis reagent. Its CAS Number is 7647-01-0. It belongs to the Chlorine compounds, inorganic and Inorganic gases substance groups. The solution requires various workplace precautions, including the prohibition of smoking, no admittance for unauthorized persons, caution against toxic and corrosive materials, and the use of safety equipment such as goggles, shoes, and gloves. The European Union has recommended an 8-hour limit value of 8 mg/m3 (5 ppm) and a short-term limit value of 15 mg/m3 (10 ppm) for occupational exposure. At a molecular level, it consists of a single chloride ion with the formula Cl-. It may cause an allergic skin reaction, as indicated by the Hazard Statement "May cause an

• CAS Number: 7647-01-0
• Molecular Formula: Cl-
• Molecular Weight: 35.45
• Exact Mass: 34.9688527
• Melting Point: -101 °C
• GHS Signal Word: Warning
• Hazard Statements:
• H317: May cause an allergic skin reaction [Warning Sensitization, Skin]