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) |