Potassium hydrogénophtalate ACS acidimetric standard
Fournisseur: Thermo Fisher Scientific
Synonyms:
Potassium phthalate monobasic, Potassium biphthalate, Potassium Acid Phthalate, KHP, Phthalic Acid Monopotassium Salt, Phthalic acid potassium salt
424061000
424065000
424060025
ACRO424061000EA
44.8
EUR
ACRO424061000
ACRO424065000
ACRO424060025
Potassium hydrogénophtalate ACS acidimetric standard
Potassium hydrogénophtalate
Formule:
HOOCC₆H₄COOK MW: 204.22 g/mol Point de fusion: 295…300 °C (déc.) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00013070 Numéro CAS: 877-24-7 EINECS: 212-889-4 Merck Index: 13,07694 |
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Résultats des tests de spécification
Appearance | White Crystalline powder or crystals |
Infrared spectrum | Conforms |
pH | 4.00 to 4.02 (0.05M at 25.0 +/- 0.2°C) |
Titration with NaOH | 99.95 to 100.05 % (On dried basis) |
Chlorine compounds (as Cl) | ≤0.003 % |
Iron (Fe) | ≤5 ppm |
Sodium (Na) | ≤0.005 % |
Heavy metals (as Pb) | ≤5 ppm |
Sulfur compounds (as S) | ≤0.002 % |
Insoluble matter | ≤0.005 % |
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