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

Supplier: MACRON AVANTOR BRAND

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670402.EA 0 INR InStock
670402. MACR6704-04
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)
Storage Temperature: Ambient
MDL Number: MFCD00013070
CAS Number: 877-24-7
EINECS: 212-889-4
Merck Index: 13,07694
https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=4652479e822d1591ac7eb5e29f892b8c94588ad4&vid=cc8e011180c68e19e524dd3eb6f3b34f86486515&prid=web&clid=SAPDAM
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Specification Test Results
Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use 99.95 - 100.05 %
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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