60353

Potassium phosphate dibasic

anhydrous, for luminescence, for molecular biology, BioUltra, ≥99.0% (T)

• Synonym(s): Dipotassium hydrogenphosphate, sec.-Potassium phosphate, Dipotassium phosphate
• Linear Formula: K₂HPO₄
• CAS Number: 7758-11-4
• Molecular Weight: 174.18
• EC Number: 231-834-5
• MDL number: MFCD00011383
• eCl@ss: 38070212
• PubChem Substance ID: 57651752
• NACRES: NA.25

Properties

• Quality Level: 200
• grade: for luminescence; for molecular biology
• product line: BioUltra
• assay: ≥99.0% (T)
• form: powder or crystals
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected
• pH: 8.7-9.3 (25 °C, 1 M in H₂O)
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤10 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤5000 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• λ: 1 M in H₂O
• UV absorption: λ: 260 nm A_max: ≤0.20; λ: 280 nm A_max: ≤0.15
• SMILES string: [K+].[K+].OP([O-])([O-])=O
• InChI: 1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
• InChI key: ZPWVASYFFYYZEW-UHFFFAOYSA-L

Description

Application

Potassium phosphate monobasic and dibasic, are used to create phosphate buffered solutions such as potassium phosphate buffered water and saline solutions used in biological applications.

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves