Potassium hydrogen phthalate
| | 877-24-7 Basic information More.. |
| Product Name: | Potassium hydrogen phthalate | | Synonyms: | Phthalic acid, MonopotassiuM salt (8CI);potassiuM 2-carboxybenzoate;PotassiuM Biphthalate, Reagent, ACS;PotassiuM Hydrogen Phthalate, AcidiMetric Standard, Crystal, Reagent Special, ACS;BUFFER CONCENTRATE, PH 6.00;BUFFER CONCENTRATE, PH 7.00;BUFFER MIXTURE, PH 6.8;BUFFER O | | CAS: | 877-24-7 | | MF: | C8H5KO4 | | MW: | 204.22 | | EINECS: | 212-889-4 | | Mol File: | 877-24-7.mol |  |
Use
Crystallise it first from a dilute aqueous solution of K2CO3, then H2O (3mL/g) between 100o and 0o. Before being used as a standard in volumetric analysis, analytical grade potassium hydrogen phthalate should be dried at 120o for 2hours, then allowed to cool in a desiccator. [Beilstein 9 IV 3169.]
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