Potassium hydrogen phthalate, Certipur® certified secondary standard reference material for pH measurement, directly traceable to primary reference material (SRM) from NIST/PTB, Supelco®

Supplier: MilliporeSigma

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

1.01965.0025 1.01965.0025
CA1.01965.0025CS 18047.89 CAD
EM1.01965.0025 CA1.01965.0025
Potassium hydrogen phthalate, Certipur® certified secondary standard reference material for pH measurement, directly traceable to primary reference material (SRM) from NIST/PTB, Supelco®
Potassium hydrogen phthalate
Formula: HOOCC₆H₄COOK
MW: 204.22 g/mol
Melting Pt: 295…300 °C
Density: 1.6362 g/cm³ (20 °C)
MDL Number: MFCD00013070
CAS Number: 877-24-7
Merck Index: 13,07694
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Specification Test Results

Solubility 80 g/l (20 °C)
Melting Point 295 - 300 °C
Molar Mass 204.22 g/mol
Bulk Density 900 kg/m3
Density 1.636 g/cm3
pH 4.0 (50 g/l, H2O, 20 °C)

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