Merck, 221473-1KG, Potassium hydroxide
Size:1 kg, Caustic potash, ACS reagent, ≥85%, pellets
Available Catalog Numbers
Catalog Number: 221473-1KG
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Category
Pack Size1 kg
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| PubChem Substance ID | 329752271 |
|---|---|
| eCl@ss | 38100303 |
| UNSPSC Code | 12352106 |
| NACRES | NA.21 |
| EC Number | 215-181-3 |
| MDL number | MFCD00003553 |
| InChI key | KWYUFKZDYYNOTN-UHFFFAOYSA-M |
| InChI | 1S/K.H2O/h;1H2/q+1;/p-1 |
| grade | ACS reagent |
| agency | suitable for EPA 1621 |
| vapor pressure | 1 mmHg ( 719 °C) |
| assay | ≥85% |
| form | pellets |
| impurities | ≤0.001% N compounds |
| pH | ~13.5 (25 °C, 5.6 g/L) |
| mp | 361 °C (lit.) |
| SMILES string | [OH-].[K+] |
| solubility | water: soluble |
| anion traces | chloride (Cl-): ≤0.01% |
| cation traces | Ca: ≤0.005% |
| web metadata keyword.default | EPA1621 |
| application(s) | PFAS testing |
| storage temp. | room temp |
| Quality Level | 200 |
Answer:The assay is at least 85% potassium hydroxide.
Answer:It is supplied as water-soluble pellets.
Answer:Yes. It is an ACS reagent grade product and is also listed for PFAS testing applications.
Potassium hydroxide, ACS reagent, ≥85%, pellets is used as a strong inorganic base for analytical, synthetic, and sample-preparation workflows that require reagent-grade potassium hydroxide. The material is supplied as water-soluble pellets with an assay of at least 85% and meets ACS reagent positioning. Its listed applications include PFAS testing and a range of chemical transformations, including base-promoted reactions, preparation of activated carbon, and polymerization chemistry. The product has a measured pH of approximately 13.5 at 5.6 g/L and includes defined limits for common anionic and metallic impurities, supporting controlled reagent preparation in analytical laboratories. The pellet format simplifies weighing for preparation of alkaline solutions, while the 1 kg pack supports repeated laboratory use. Because potassium hydroxide is strongly corrosive, it is intended for controlled laboratory handling with suitable chemical-resistant equipment and established safety procedures.
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