Merck, 244252-500ML, Perchloric acid
Size:500 mL, PCA, ACS reagent, 70%
Available Catalog Numbers
Catalog Number: 244252-500ML
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Pack Size500 mL
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| NACRES | NA.21 |
|---|---|
| PubChem Substance ID | 329752489 |
| UNSPSC Code | 12352302 |
| MDL number | MFCD00011325 |
| InChI | 1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5) |
| SMILES string | OCl(=O)(=O)=O |
| InChI key | VLTRZXGMWDSKGL-UHFFFAOYSA-N |
| grade | ACS reagent |
| vapor pressure | 6.8 mmHg ( 25 °C) |
| assay | 70% |
| form | liquid |
| reaction suitability | reagent type: oxidant |
| technique(s) | toxicology assay: suitable |
| impurities | ≤0.001% N compounds |
| ign. residue | ≤0.003% |
| color | APHA: ≤10 |
| solubility | water: soluble |
| density | 1.664 g/mL at 25 °C |
| anion traces | chloride (Cl-): ≤0.001% |
| cation traces | Fe: ≤1 ppm |
| Quality Level | 200 |
Answer:70% perchloric acid, ACS reagent grade.
Answer:500 mL.
Answer:No. The concentrations differ and substitution requires method-specific review.
Sigma-Aldrich 244252-500ML is a 500 mL bottle of 70% perchloric acid supplied in ACS reagent grade. Perchloric acid has the formula HClO4 and CAS 7601-90-3; this aqueous liquid is both a strongly acidic reagent and a powerful oxidizer. Analytical laboratories use controlled perchloric-acid procedures for certain sample digestions, chemical determinations, and established preparative methods, including methods involving oxidation or removal of interfering components. The ACS specification provides a defined reagent grade and distinguishes this product from the supplier's 60% solution and other high-purity trace-analysis grades. Because 70% perchloric acid presents significant corrosive and oxidizing hazards, it requires compatible facilities, containers, segregation, and handling protocols. It is not a general-purpose aqueous buffer or a substitute for dilute mineral acids without a validated method.
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