Melting point :-35 °C
Boiling point :>100 °C (lit.)
Density :1.2 g/mL at 25 °C (lit.)
vapor density :1.3 (vs air)
vapor pressure :613 psi ( 21.1 °C)
Flash point :10℃ (tag closed test)
refractive index :1.3535
storage temp. :Store at +2°C to +25°C.
solubility :H₂O: soluble
form :liquid
pka :-7(at 25℃)
color :Light Yellow
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);
Water Solubility :miscible
Sensitive :Air & Light Sensitive
Merck :14,4780
Exposure limits :Ceiling limit 5 ppm (～ 7 mg/m³).
Dielectric constant :4.6（20℃）
Stability :Stable. Incompatible with alkalies, most metals. Avoid contact with water.
CAS DataBase Reference :7647-01-0(CAS DataBase Reference)
NIST Chemistry Reference :Hydrogen chloride(7647-01-0)
IARC :3 (Vol. 54) 1992
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.