| 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 |
| PH |
3.01(1 mM solution);2.04(10 mM solution);1.08(100 mM solution); |
| Odor |
Sharp, irritating odor detectable at 0.25 to 10 ppm |
| explosive limit |
2-13.4% (v/v) 2-Propanol) |
| biological source |
synthetic |
| Water Solubility |
miscible |
| Sensitive |
Air & Light Sensitive |
| Merck |
14,4780 |
| Henry's Law Constant |
1.5×101 mol/(m3Pa) at 25℃, Chen et al. (1979) |
| Dielectric constant |
4.6（20℃） |
| Exposure limits |
Ceiling limit 5 ppm (～
7 mg/m3). |
| 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) |
