What is Potassium hydrogen phthalate?

What is Potassium hydrogen phthalate?

Potassium hydrogen phthalate, generally alleged artlessly KHP, is an acerb alkali compound. KHP is hardly acidic, and it is generally acclimated as a primary accepted for acid-base titrations because it is solid and air-stable, authoritative it simple to counterbalance accurately.
It forms white powder, achromatic crystals, a achromatic solution, and an ionic solid that is the monopotassium alkali of phthalic acid. It is not hygroscopic.It is aswell acclimated as a primary accepted for calibrating pH meters because, besides the backdrop just mentioned, its pH in band-aid is actual stable.