Potassium Biphthalate


Product # 2887-2
Name Potassium Biphthalate
Synonyms Potassium acid phthalate, 1,2 Benzenedicarboxylic acid monopotassium salt, Phthalic acid monopotassium salt, Hydrogen Potassium Phthalate, Potassium Hydrogen Biphthalate
Formula 2-(HO2C)C6H4CO2K
Purity ACS
CAS Number 877-24-7
Molecular Weight 204.22
Color & Form White solid
Melting Point 297° C (dec.)
Specific Gravity 1.636 gm/ml
Solubility Soluble


500 gm $30.00
2.5 kg $125.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.


Transportation Information Not a dangerous good

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Lanthanum

Lanthanum is a white-silver metal that is ductile, malleable, and highly reactive.

Learn More

In the News

ProChem owner acquires ChemFree Defoam, LLC.

Learn More