Potassium hydrogen phthalate ≥99.5%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

Synonyms: KHPPotassium phthalate monobasicPotassium biphthalatePhthalic Acid Monopotassium SaltPhthalic acid potassium salt

26948.260EA 4092 INR
26948.260 26948.237 26948.146 26948.294
Potassium hydrogen phthalate ≥99.5%, AnalaR NORMAPUR® analytical reagent
Potassium hydrogen phthalate
Formula: HOOCC₆H₄COOK
MW: 204,22 g/mol
Melting Pt: 295…300 °C
Density: 1,6362 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00013070
CAS Number: 877-24-7
EINECS: 212-889-4
Merck Index: 12,07773
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Specification Test Results

Assay (calculated on dried substance) Min. 99.5 %
IR Spectrum Passes test
Heavy metals (as Pb) Max. 5 ppm
Insolubility in water Max. 50 ppm
Loss on drying (105°C) Max. 0.2 %
Sulphur compounds (as SO4) Max. 50 ppm
Cl (Chloride) Max. 20 ppm
Cu (Copper) Max. 2 ppm
Fe (Iron) Max. 5 ppm
Na (Sodium) Max. 100 ppm
Pb (Lead) Max. 5 ppm

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