PX1476

Potassium Hydrogen Phthalate

Meets ACS Specifications GR ACS

• Synonym(e): Potassium Biphthalate, Potassium Acid Phthalate
• Empirische Formel (Hill-System): C₈H₅KO₄
• CAS-Nummer: 877-24-7
• Molekulargewicht: 204.22
• MDL-Nummer: MFCD00013070
• UNSPSC-Code: 41116107
• EG-Index-Nummer: 212-889-4

Eigenschaften

• Qualitätsniveau: 200
• Assay: 99.95-100.05% dry basis
• Form: solid
• Verunreinigungen: ≤0.002% Sulfur compounds (as S); ≤0.005% Insoluble matter
• Farbe: white
• pH-Wert: 4.0 (20 °C, 50 g/L in H₂O)
• mp (Schmelzpunkt): 295-300 °C
• Löslichkeit: 80 g/L
• Anionenspuren: chloride (Cl^-): 0.003%
• Kationenspuren: Fe: ≤5 ppm; Na: ≤0.005%; heavy metals (as Pb): ≤5 ppm
• Versandbedingung: ambient
• Lagertemp.: room temp
• InChI: 1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
• InChIKey: IWZKICVEHNUQTL-UHFFFAOYSA-M

Beschreibung

Anwendung

Meets ACS Specifications GR ACS

Hinweis zur Analyse

Assay (dried basis)99.95-100.05%Chlorine compounds (as Cl)0.003% maxColorWhiteFormCrystalsHeavy metals (as Pb)5ppm maxInsoluble matter0.005% maxIron (Fe)5ppm maxSodium (Na)0.005% maxSulfur compounds (as S)0.002% maxpH of a 0.05 m solution at 25.0 ± 0.2°C4.00-4.02

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): 387.1 °F - Pensky-Martens closed cup
• Flammpunkt (°C): 197.3 °C - Pensky-Martens closed cup