Perchloric acid
SIGALD/311413 - ACS reagent, 60%
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
4×100 Pull-top Can
Photo is meant to be representative of product you will receive if ordered. Additional information is printed on actual labels and package types are subject to change.
Photo is meant to be representative of product you will receive if ordered. Additional information is printed on actual labels and package types are subject to change.
| anion traces | chloride (Cl-): ≤0.001% |
| sulfate (SO42-): ≤0.001% | |
| cation traces | Fe: ≤1 ppm |
| heavy metals: ≤1 ppm (by ICP) | |
| color | APHA: ≤10 |
| concentration | 60% |
| density | 1.535 g/mL at 25 °C |
| form | liquid |
| grade | ACS reagent |
| ign. residue | ≤0.003% |
| impurities | ≤0.001% N compounds |
| ≤5 ppm Silicate and phosphate (as SIO2) | |
| InChI | 1S/ClHO4/c2-1(3,4)5/h(H,2 |
| InChI key | VLTRZXGMWDSKGL-UHFFFAOYSA |
| Quality Level | 200  |
| reaction suitability | reagent type: oxidant |
| SMILES string | OCl(=O)(=O)=O |
| vapor pressure | 7 mmHg ( 25 °C) |
| Application: | • How microstructures, oxide layers, and charge transfer reactions influence double layer capacitances. Part 1: impedance spectroscopy and cyclic voltammetry to estimate electrochemically active surface areas (ECSAs).: Perchloric acid was employed for electrode cleaning and preparation, essential in electrochemical studies for accurate measurements and analysis in physical chemistry (Schalenbach et al., 2024  ).• Determination of phosphorus in commercially available milk using ion chromatography with perchloric acid deproteinization.: The research highlights the use of perchloric acid for deproteinization in ion chromatography, demonstrating its application in food chemistry and quality control (Yoshikawa et al., 2024 ).• Assessment of essential and potentially toxic metals in raw cow milk from Mukaturi town, Oromia Regional State, Ethiopia.: Perchloric acid was utilized for the digestion of milk samples, facilitating the determination of metal content through analytical techniques in environmental chemistry (Tola et al., 2024 ).• Fabrication and Characterization of an Electrochemical Platform for Formaldehyde Oxidation, Based on Glassy Carbon Modified with Multi-Walled Carbon Nanotubes and Electrochemically Generated Palladium Nanoparticles.: This study used perchloric acid in the modification of electrodes, crucial for developing advanced electrochemical sensors and analytical methods (Leniart et al., 2024 ). |
| Other Notes: | ACS specifications same as product 244252, except for concentration |
| Packaging: | 1, 2.5 L in glass bottle |
| Packaging: | 100, 4×100, 500 mL in glass bottle |
| Symbol |     GHS03,GHS05,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H271 - H290 - H302 - H314 - H373 |
| Precautionary statements | P210 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P305 + P351 + P338 + P310 - 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 |
| Density | 1.535 g/mL at 25 °C |
| UNSPSC | 12352106 |