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Potassium hydrogen phthalate 99.95-100.05% (dry basis), crystals, BAKER ANALYZED® ACS, J.T.Baker®

Supplier: AVANTOR PERFORMANCE MATERIALS

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2958-00EA 18240.59 INR InStock
2958-00 2958-07 2958-01 2958-05 2958-R
Potassium hydrogen phthalate 99.95-100.05% (dry basis), crystals, BAKER ANALYZED® ACS, J.T.Baker®
Potassium hydrogen phthalate
This reagent is satisfactory for use as a pH standard. For use as an acidimetric standard, this material should be lightly crushed and dried for 2 hours at 120 °C to remove any absorbed moisture.


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 99.95 - 100.05%
For Laboratory,Research,or Manufacturing Use ≤0.005%
Assay (1-KOCOC₆H₄-2-COOH) (dried basis) 99.95 - 100.05 %
Insoluble Matter ≤0.005 %
pH of 0.05M Solution at 25°C 4.00 - 4.02
Chlorinated Compounds (as Cl) ≤0.003 %
Sulfur Compounds (as S) ≤0.002 %
Sodium (Na) ≤0.005 %
Trace Impurities - ACS - Heavy Metals (as Pb) ≤5 ppm
Trace Impurities - Iron (Fe) ≤5 ppm
This reagent is satisfactory for use as a pH standard. For use as
anacidimetric standard, this material should be lightly crushed and dried for2 hours at 120° C to remove any absorbed moisture.
Meets Reagent Specifications for testing USP/NF monographs

 

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