Potassium hydrogen phthalate ACS acidimetric standard
Supplier: Thermo Scientific
Ratings:
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Total Ratings: 0
Avg. Ratings: 0.0 out of 5
Synonyms:
KHP
, Potassium phthalate monobasic
, Potassium Acid Phthalate
, Potassium biphthalate
, Phthalic Acid Monopotassium Salt
, Phthalic acid potassium salt
ACRO424061000EA
18.1
GBP
ACRO424061000
ACRO424065000
ACRO424060025
Potassium hydrogen phthalate ACS acidimetric standard
Potassium hydrogen phthalate
Formula:
HOOCC₆H₄COOK MW: 204.22 g/mol Melting Pt: 295…300 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00013070 CAS Number: 877-24-7 EINECS: 212-889-4 Merck Index: 13,07694 |
Specification Test Results
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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