85-1342-69　Potassium Hydrogen Phthalate (KHP) 1Kg　CAS No:877-24-7　P4900

特徴

• Potassium Biphthalate is used as buffer solution and Acidimetric standard.
• Synonyms:Hydrogen Potassium Phthalate; KAP; Monopotassium 1,2-Benzenedicarboxylate; Monopotassium Phthalate; Potassium Acid Phthalate; Potassium Hydrogen Phthalate
• Molecular Formula:C₈H₅KO₄
• Molecular Weight:204.22
• Purity:99.95-100.05% (Titration)
• Appearance:White crystalline powder
• Solubility (10% H2O):Colorless, clear, complete
• Melting Point:294-296°C (dec)
• Insoluble Matter:≤0.005%
• pH (0.05M):4.0-4.5
• Chlorine:≤0.003%
• Sulfur:≤0.002%
• Iron (Fe):≤0.0005%
• Sodium (Na):≤0.005%
• Heavy Metals (Pb):≤0.0005%
• Storage and Stability:Store at RT. For maximum recovery of product, centrifuge the original vial prior to removing the cap.