Hydrochloric acid

Melting point :Concentration-dependent – see table
Boiling point :Concentration-dependent – see table
Density :1.18 g/cm (37%Wt at 20°C)3
vapor density :1.3 (vs air)
vapor pressure :613 psi ( 21.1 °C)
refractive index :1.3535
Flash point :Non-flammable
storage temp. :Store at +2°C to +25°C.
solubility :H₂O: soluble
pka :-7(at 25℃)
form :transparent liquid
color :Colorless
Specific Gravity :1.19
Odor :Sharp, irritating odor detectable at 0.25 to 10 ppm
PH :3.01(1 mM solution);2.04(10 mM solution);1.08(100 mM solution);
explosive limit :2-13.4% (v/v) 2-Propanol)
biological source :synthetic
Water Solubility :miscible
Specific Heat Capacity :Cp(gas): 0.8 J/(g·K), at 25℃
Sensitive :Air & Light Sensitive
Merck :14,4780
Henry's Law Constant :1.5×10¹ mol/(m³Pa) at 25℃, Chen et al. (1979)
Exposure limits :ACGIH:TLV-CEILING 2 ppm
OSHA:PEL-Ceiling 5 ppm (7 mg/m3)
NIOSH:REL-Ceiling 5 ppm Dielectric constant :4.6(20℃)
Stability :Stable. Incompatible with alkalies, most metals. Avoid contact with water.
Cosmetics Ingredients Functions :BUFFERING
InChI :1S/ClH/h1H
InChIKey :VEXZGXHMUGYJMC-UHFFFAOYSA-N
SMILES :Cl
CAS DataBase Reference :7647-01-0(CAS DataBase Reference)
IARC :3 (Vol. 54) 1992
NIST Chemistry Reference :Hydrogen chloride(7647-01-0)
EPA Substance Registry System :Hydrochloric acid (7647-01-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404
Precautionary statements:	P234 Keep only in original container. P390 Absorb spillage to prevent material damage.