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Synonyms: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate, Potassium phthalate monobasic
Potassium hydrogen phthalate, often called simply KHP, is an acidic salt compound. It forms white powder, colorless crystals, a colorless solution, and an ionic solid that is the monopotassium salt of phthalic acid.
P 2268 (OTTO) Potassium hydrogen phthalate, for HPLC 99%+ Cas 877-24-7 - used as a primary standard for acid-base titrations because it is solid and air-stable, making it easy to weigh accurately. It is not hygroscopic.
Safety Statements 22-24/25
Certificate Of Analysis
(For eg. B 1615-0108)
Other Documents
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7722-76-1
Ammonium dihydrogenphosphate, ≥99.5%
77-86-1
Tris buffer, GR 99%+
7778-53-2
Potassium phosphate, tribasic, anhydrous, ≥98%
3458-72-8
tri-Ammonium citrate, GR 98%+
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