Hydrochloric acid
SIGALD/339253 - 37 wt. % in H2O, 99.999% trace metals basis
CAS Number: 7647-01-0
Empirical Formula (Hill Notation): HCl
Molecular Weight: 36.46
EC Number: 231-595-7
MDL Number: MFCD00011324
Linear Formula: HCl
Product Type: Chemical
| assay | 99.999% trace metals basis |
| bp | >100 °C (lit.) |
| color | light yellow |
| concentration | 37 wt. % in H2O |
| density | 1.18 g/mL at 20 °C |
| form | liquid |
| InChI | 1S/ClH/h1H |
| InChI key | VEXZGXHMUGYJMC-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | Cl |
| solubility | water: soluble |
| vapor density | 1.3 (vs air) |
| vapor pressure | 3.23 psi ( 21.1 °C) |
| 7.93 psi ( 37.7 °C) |
| Application: | Hydrochloric acid may be used in the following studies: • Membrane assisted solvent extraction (MSX) of rare earth elements (such as neodymium, praseodymium, and dysprosium) from NdFeB magnets and industrial scrap magnets. • Preparation of orcinolhydrochloric acid (Bial′s reagent), which is useful for the quantitative determination of sialic acids. • Preparation of alcoholic hydrochloric acid-carmine stain. |
| General description: | Hydrochloric acid is a strong mineral acid. Adsorption of Fe(III) by Dowex-1 anion exchange resin using various concentrations of HCl solutions has been studied. |
| Packaging: | 100, 500 mL in glass bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H290 - H314 - H335 |
| Precautionary statements | P234 - P261 - P271 - P280 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 34-37 |
| Safety Statements | 26-45 |
| RIDADR | UN 1789 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99.999% trace metals basis |
| bp | >100 °C (lit.) |
| Density | 1.18 g/mL at 20 °C |
| UNSPSC | 12352106 |



