Perchloric acid
ALDRICH/311421 - 70%, 99.999% trace metals basis
Synonym: PCA
CAS Number: 7601-90-3
Empirical Formula (Hill Notation): HClO4
Molecular Weight: 100.46
MDL Number: MFCD00011325
Linear Formula: HClO4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 311421-50ML
| assay | 70% |
| 99.999% trace metals basis | |
| bp | ca.203 °C/at 1.013 hPa |
| cation traces | Al: ≤0.3 ppm |
| Ca: ≤0.3 ppm | |
| Fe: ≤ 0.1 ppm | |
| Na: 3.1 ppm | |
| Zn: ≤ 0.1 ppm | |
| concentration | ≥70-- < 90% |
| density | 1.664 g/mL at 25 °C |
| form | liquid |
| InChI | 1S/ClHO4/c2-1(3,4)5/h(H,2 |
| InChI key | VLTRZXGMWDSKGL-UHFFFAOYSA |
| mp | 18 °C |
| Quality Level | 100  |
| reaction suitability | reagent type: oxidant |
| SMILES string | OCl(=O)(=O)=O |
| solubility | water: miscible (completely) |
| vapor pressure | 6.8 mmHg ( 25 °C) |
| Application: | Perchloric acid (HClO4) can be used in the preparation of: • Silica supported perchloric acid (HClO4-SiO2) which is used as a catalyst in geminal diacylation of aldehydes, synthesis of amidoalkyl naphthols, primary carbamates, and tetrasubstituted imidazoles. • Alumina supported perchloric acid (Al2O3-HClO4), which is used as a catalyst in the synthesis of • Fe3O4@SiO2-HClO4 catalyst, which is used in the synthesis of 1,4-dihydropyridine derivatives. |
| Application: | Perchloric acid can be used as: • A reaction medium in oxidation reactions. • A reagent for the preparation of fluorinated polymer electrolytes using poly (vinylidenefluoride-cohex • A dopant in the preparation of perchloric acid-functionalized polyaniline (HClO4/PANI) catalyst for the synthesis of 2-substituted benzothiazoles by condensation reaction between o-aminothiophenol with aldehydes. |
| Packaging: | 1 L in glass bottle |
| Packaging: | 50, 250 mL in glass bottle |
| Symbol |     GHS03,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H271 - H290 - H302 - H314 - H373 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 - P314 |
| Hazard Codes | O,C |
| Risk Statements | 5-8-22-35 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 1873 8(5.1) / PGI |
| WGK Germany | WGK 1 |
| Purity | 70%; 99.999% trace metals basis |
| bp | ca.203 °C/at 1.013 hPa |
| mp | 18 °C |
| Density | 1.664 g/mL at 25 °C |
| UNSPSC | 12352302 |