muriatic acid, hydrogen chloride, spirits of salt, HCl
2D Structure
Physical Properties
Density
1.189 g/mL at 25°C
Boiling Point
-85.05°C
Melting Point
-114.22°C
Flash Point
None°C
Vapor Pressure
42.7 kPa at 20°C
Refractive Index
nD = 1.344
Dielectric Constant
ε = 4.6
Safety & GHS Classification
GHS05Irritant
H314: Causes severe skin burns and eye damage
H331: Toxic if inhaled
H335: May cause respiratory irritation
Storage: Store in acid-resistant containers. Use in fume hood — HCl gas releases are corrosive. Keep away from bases, metals, and oxidizers. Concentrated HCl (37%) fumes in moist air. PPE: acid-resistant gloves and face shield.