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

Supplier: AVANTOR PERFORMANCE MATERIALS US


Management of Change (MOC) category = N

6704-02 6704-04
MK670402CS 2605.79 USD
MK670402 MK670404 MK670420
Potassium hydrogen phthalate 99.95-100.05%, crystals, AR® ACS primary standard, Macron Fine Chemicals™
Potassium hydrogen phthalate

Primary standard.

Formula: HOOCC₆H₄COOK
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: 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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