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Phthalic acid monopotassium salt
Potassium biphthalate
Potassium acid phthalate
CAS 877-24-7
Assay 99%min
Packing 25kg/drum
Potassium hydrogen phthalate
| Name | Potassium hydrogen phthalate |
| Synonyms | Phthalic acid monopotassium salt; Potassium biphthalate; Potassium acid phthalate |
| Molecular Structure |  |
| Molecular Formula | C8H5KO4 |
| Molecular Weight | 204.22 |
| CAS Registry Number | 877-24-7 |
| EC Number | 212-889-4 |
Specification:
Item | Specification |
Appearance | White crystalline powder |
Assay(GC) | ≥99.8% |
PH | 3.8-4.2 |
Fe | ≤5ppm |
Pb | ≤5ppm |
Cu | ≤5ppm |
Mn | ≤5ppm |
Cd | ≤5ppm |
Chlorides | ≤0.002% |
Sulfate | ≤0.006% |
Appearance of solution | Pass |
Water-insoluble matter | ≤0.005% |
Uses:
Reference substances and standard reagents.
Preparation of buffer solution.
Capacity analysis benchmark.
Chemical reagents and intermediates.
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