Potassium hydrogen phthalate 99.95-100.05%, crystals, AR® ACS primary standard, Macron Fine Chemicals™

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

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

Management of Change (MOC) category = N

MACR6704-02 6704-02 6704-04 MACR6704-20 6704-04 6704-20
MK670402CS 4117.15 CAD
MK670420 MK670402 MK670404 CAMK670420 CAMK670402 CAMK670404
Potassium hydrogen phthalate 99.95-100.05%, crystals, AR® ACS primary standard, Macron Fine Chemicals™
Potassium hydrogen phthalate

Primary standard.

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

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
ACS - Assay (1-KOCOC₆H₄-2-COOH) 99.95 - 100.05 %
ACS - Chlorine Compounds (as Cl) ≤0.003 %
ACS - Heavy Metals (as Pb) ≤5 ppm
ACS - Insoluble Matter ≤0.005 %
ACS - Iron (Fe) ≤5 ppm
ACS - pH of 0.05M Solution at 25°C 4.00 - 4.02
ACS - Sodium (Na) ≤0.005 %
ACS - Sulfur Compounds (as S) ≤0.002 %
Traceable to NIST
Appearance (white crystals)

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