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SZSE：002741
Chemical Reagents
Potassium hydrogen phthalateCOA Report
  • CAS No.：877-24-7
  • Molecular weight：204.22
  • Aliases：Potassium hydrogen phthalate?
  • Molecular formula：KHC8H4O4
  • EC No.：212-889-4
  • HS-No：29173995
Information
Specification category：
Product No. Product name specifications
1.01906.020 Potassium hydrogen phthalate PT100g
1.01906.030 Potassium hydrogen phthalate GR500g
1.01906.040 Potassium hydrogen phthalate AR500g
1.01906.050 Potassium hydrogen phthalate CP500g
1.01906.060 Potassium hydrogen phthalate GR25kg
1.01906.070 Potassium hydrogen phthalate AR25kg
1.01906.090 Potassium hydrogen phthalate GR25kg
Characteristic： Appearance and properties: Colorless crystal or white crystal powder.
pH value: 4.0(50g/L H2O,20℃)
Solubility: Soluble in water(12eq. cold water or 3eq. hot water).Its aqueous solution is acidity.Insoluble in alcohol.
Technical indicators：
Item PT
Assay(C8H5O4K) 99.9%~100.05%
pH-value(50g/L solution,25℃) 3.8~4.1
Clarity of solution pass2
Insoluble matter in water ≤0.003%
Chloride(Cl) ≤0.002%
Sulfide(as SO4) ≤0.006%
Sodium(Na) ≤0.005%
Iron(Fe) ≤0.0005%
Heavy metals(as Pb) ≤0.0005%
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