Buy Potassium hydrogen phthalate (877-24-7) MF: HOOCC6H4COOK | MW: 204.22. Get High Quality Potassium hydrogen phthalate (877-24-7) from LiChrom.
Potassium hydrogen phthalate forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid. It is often called simply KHP. It KHP is slightly acidic.It is oxidized by air, nor affected by Carbon Dioxide (thus making it easy to weigh out). It does not undergo decomposition during storage. It is readily soluble in water. The other names are Potassium phthalate monobasic, KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate. The chemical formula of it is C8H5KO4.
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Application :
- It is used in stoichiometric and instantaneous in reactions.
- KHP can be used as a buffering agent in combination with HCl and NaOH.
- KHP is also a useful standard for total organic carbon (TOC) testing.
- Potassium hydrogen phthalate is used as a primary standard for acid- base titrations as well as for calibrating pH meters
Benefits :
- High purity standard substance
- It is relatively inexpensive
- Easy to dry; neither hygroscopic
- Easy to handle
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