![Potassium hydrogen phthalate NIST® SRM® 185i, pH standard](/deepweb/assets/sigmaaldrich/product/structures/765/897/f2b156a4-a16f-497d-aa81-7141f79abf0b/640/f2b156a4-a16f-497d-aa81-7141f79abf0b.png)
Potassium hydrogen phthalate
![Potassium hydrogen phthalate NIST® SRM® 185i, pH standard](/deepweb/assets/sigmaaldrich/product/structures/765/897/f2b156a4-a16f-497d-aa81-7141f79abf0b/640/f2b156a4-a16f-497d-aa81-7141f79abf0b.png)
Synonym(s):
Potassium hydrogen phthalate, Potassium phthalate monobasic, KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium Hydrogen Phthalate
Linear Formula:
HOOCC6H4COOK
CAS Number:
Molecular Weight:
204.22
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