60218

Fosfato de potasio monobasic

BioUltra, Molecular Biology, anhydrous, ≥99.5% (T)

• Sinónimos: Dihidrógeno fosfato de potasio, prim.-Fosfato de potasio
• Fórmula lineal: KH₂PO₄
• Número CAS: 7778-77-0
• Peso molecular: 136.09
• NACRES: NA.25
• PubChem Substance ID: 57651733
• UNSPSC Code: 12161700
• EC Number: 231-913-4
• MDL number: MFCD00011401

Propiedades

• grade: Molecular Biology
• Quality Segment: 200
• product line: BioUltra
• assay: ≥99.5% (T)
• form: powder or crystals
• impurities: DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N)
• pH: 4.0-4.5 (25 °C, 1 M in H₂O)
• pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
• mp: 252.6 °C (lit.)
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• density: 2.338 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤5 mg/kg, sulfate (SO₄^2-): ≤30 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: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 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: 0.050, λ: 280 nm A_max: 0.045
• SMILES string: [K+].OP(O)([O-])=O
• InChI: 1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
• InChI key: GNSKLFRGEWLPPA-UHFFFAOYSA-M

Descripción

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.

Other Notes

Component of PBS - in the isolation and analysis of nuclear RNA.

Información de seguridad

• Clase de almacenamiento: 13 - Non Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)