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Potassium phosphate dibasic solution_Molecular_structure_CAS_7758-11-4)
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Potassium phosphate dibasic solution

Catalog No. 79713 Name Sigma Aldrich
CAS Number 7758-11-4 Website http://www.sigmaaldrich.com
M. F. H7K2O7P Telephone 1-800-521-8956
M. W. 228.221741 Fax
Purity Email
Storage Chembase ID: 132907

SYNONYMS

Title
磷酸钾 二元 溶液
IUPAC name
dipotassium trihydrate hydrogen phosphate
IUPAC Traditional name
dipotassium trihydrate hydrogen phosphate
Synonyms
磷酸氢二钾
Dipotassium phosphate

DATABASE IDS

EC Number 231-791-2
MDL Number MFCD00149926
CAS Number 7758-11-4

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤1 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤1 mg/kg
Cation Traces Bi: ≤1 mg/kg
Cation Traces Ca: ≤5 mg/kg
Cation Traces Cd: ≤1 mg/kg
Cation Traces Co: ≤1 mg/kg
Cation Traces Cr: ≤1 mg/kg
Cation Traces Cu: ≤1 mg/kg
Cation Traces Fe: ≤1 mg/kg
Cation Traces Li: ≤1 mg/kg
Cation Traces Mg: ≤1 mg/kg
Cation Traces Mn: ≤1 mg/kg
Cation Traces Mo: ≤1 mg/kg
Cation Traces Na: ≤2000 mg/kg
Cation Traces Ni: ≤1 mg/kg
Cation Traces Pb: ≤1 mg/kg
Cation Traces Sr: ≤1 mg/kg
Cation Traces Zn: ≤1 mg/kg
Concentration 3 M in H2O
Empirical Formula (Hill Notation) HK2O4P
Impurities insoluble matter, passes filter test
λ 3 M in H2O
Product Line BioUltra
Absorption Wavelength λ: 260 nm Amax: 0.20
Absorption Wavelength λ: 280 nm Amax: 0.15
pH 9.0-10.0 (25 °C, 3 M in H2O)
Solubility H2O: soluble3 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves
German water hazard class 3

DETAILS

REFERENCES