Potassium hydrogen phthalate for HPLC

Supplier: Thermo Scientific
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Synonyms: KHPPotassium phthalate monobasicPotassium Acid PhthalatePotassium biphthalatePhthalic Acid Monopotassium SaltPhthalic acid potassium salt

ACRO463852500EA 81 GBP
ACRO463852500 ACRO463850500
Potassium hydrogen phthalate for HPLC
Potassium hydrogen phthalate

  • Analytical reagent

Formula: HOOCC₆H₄COOK
MW: 204.22 g/mol
Melting Pt: 295…300 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00013070
CAS Number: 877-24-7

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Specification Test Results

Appearance White Crystalline powder
Infrared spectrum Conforms
Solubility (10 % in water) Clear colorless
UV (10 % in water)
UV at 330 nm A: ≤0.05
UV at 340 nm A: ≤0.03
UV at 350 nm A: ≤0.02
UV at 500 nm A: ≤0.02
pH 3.5 to 5.0 (5 % in water)
Titration with NaOH 99.4 to 100.6 %

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