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Potassium hydrogen phthalate, primary standard, ACS, 99.95-100.05%
Product Code. 11347678
Brand: Thermo Scientific Alfa Aesar 033351.30
Description
As a primary standard for preparing volumetric alkali solutions and as a buffer in pH determinations. Potassium hydrogen phthalate is used as a primary standard for acid- base titrations as well as for calibrating pH meters. It acts as a buffer in pH determination. It finds application as a useful standard for total organic carbon testing.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Specifications
Specifications
| Melting Point | 297°C (decomposition) |
| Color | White |
| Physical Form | Crystalline Powder |
| Quantity | 250 g |
| Assay Percent Range | 99.95-100.05% |
| Beilstein | 3637128 |
| Solubility Information | Soluble in water. Slightly soluble in alcohol. |
| Formula Weight | 204.23 |
| Grade | ACS Reagent |
| Density | 1.636 g/mL |
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