POTASSIUM HYDROGEN PHTHALATE FOR ANALYSI (C005B-083602)

Analysis Note

Assay (Perchloric acid titration from dried substance): ≥ 99.5 %
Identity (IR-spectrum): passes test
In water insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.002 %
Sulfur compounds (as SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
Na (Sodium): ≤ 0.01 %
Pb (Lead): ≤ 0.0005 %
Loss on Drying (105°C): ≤ 0.2 %
Corresponds to Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Molecular Weight: 204.22. Empirical Formula: C₈H₅KO₄. Agency: reag. Ph. Eur.. Quality Level: 300. product line: EMSURE^®. . Assay: ≥. 99.5% dry basis (perchloric acid titration). form: solid. potency: >. 3200 . mg/kg LD₅₀, oral (Rat). impurities: ≤. 0.005% In water insoluble matter. loss: ≤. 0.2% loss on drying, 105°C. pH: 4.0 (20 . °C, 50 . g/L in H₂O). mp: 295-300 . °C. density: 1.636 . g/cm³. bulk density: 900 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.002%, sulfur compounds (as SO₄^2-): ≤. 0.005%. cation traces: Cu: ≤. 0.0002%, Fe: ≤. 0.0005%, Na: ≤. 0.01%, Pb: ≤. 0.0005%, heavy metals (as Pb): ≤. 0.0005%. storage temp.: 2-30°C. 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. InChI key: IWZKICVEHNUQTL-UHFFFAOYSA-M. Storage Class Code: 11 - Combustible Solids. WGK: WGK 1. Flash Point(F): 387.1 °F - Pensky-Martens closed cup. Flash Point(C): 197.3 °C - Pensky-Martens closed cup.