Product Description
Potassium hydrogen phthalate is a white crystalline powder with a molecular formula of C8H5KO4 and a molecular weight of 204.22 g/mol. It has a slightly bitter taste and is odorless, non-poisonous, and stable under normal conditions. This high purity reagent is commonly used as a primary standard in acid-base titration, calibration of pH meters, and other analytical purposes in laboratory settings. It is soluble in water and slightly soluble in ethanol, making it versatile for various applications. With a pH level of 4 in a 1% aqueous solution, this potassium hydrogen phthalate is a reliable analytical reagent or primary standard for buffer solutions.
FAQs of potassium hydrogen phthalate:
Q: What is the appearance of potassium hydrogen phthalate?
A: Potassium hydrogen phthalate is a white crystalline powder.
Q: Is potassium hydrogen phthalate poisonous?
A: No, potassium hydrogen phthalate is not poisonous.
Q: What is the shelf life of potassium hydrogen phthalate?
A: Potassium hydrogen phthalate is stable under normal conditions and has an indefinite shelf life if properly stored.
Q: What is the application of potassium hydrogen phthalate?
A: Potassium hydrogen phthalate is commonly used as a primary standard in acid-base titration, calibration of pH meters, and other analytical purposes.
Q: In what form is potassium hydrogen phthalate available?
A: Potassium hydrogen phthalate is available in crystalline solid form.