1.19754

di-Potassium hydrogen phosphate trihydrate

buffer substance for chromatography LiChropur^™

• Synonym(e): di-Potassium hydrogen phosphate trihydrate, Potassium phosphate dibasic
• Empirische Formel (Hill-System): HK₂O₄P · 3H₂O
• CAS-Nummer: 16788-57-1
• Molekulargewicht: 228.22
• UNSPSC Code: 12161703
• EC Index Number: 231-834-5
• NACRES: NA.21
• MDL number: MFCD00149926
• Assay: ≥99.0% (acidimetric)
• Grade: reagent grade
• Form: solid

Eigenschaften

• grade: reagent grade
• Quality Segment: 100
• assay: ≥99.0% (acidimetric)
• form: solid
• technique(s): HPLC: suitable
• pH: 9.0-9.4((50 g/L in water))
• mp: 340 °C (anhydrous substance; decomposes)
• bulk density: 800 kg/m³
• storage temp.: 2-30°C
• SMILES string: [K+].[K+].[P](=O)([O-])([O-])O.O.O.O
• InChI: 1S/2K.H3O4P.3H2O/c;;1-5(2,3)4;;;/h;;(H3,1,2,3,4);3*1H2/q2*+1;;;;/p-2
• InChI key: XQGPKZUNMMFTAL-UHFFFAOYSA-L

Beschreibung

Analysis Note

• Assay (acidimetric): ≥ 99.0 %
• pH 9.0 - 9.4 (50 g/L in water)
• Self-absorption (254 nm; 0.2 mol/l; 1 cm; water): ≤ 0.01
• Self-absorption (220 nm; 0.2 mol/l; 1 cm; water): ≤ 0.03
• Self-absorption (215 nm; 0.2 mol/l; 1 cm; water): ≤ 0.11

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Lagerklasse: 13 - Non Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable