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74056

Sigma-Aldrich

Potassium Phosphate Monobasic solution

BioUltra, 1.5 M in H2O

Synonym(s):

Monopotassium phosphate, Potassium dihydrogen phosphate solution

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About This Item

CAS Number:
7778-77-0
MDL number:
MFCD00011401
UNSPSC Code:
12161700

product line

BioUltra

concentration

1.5 M in H2O

impurities

insoluble matter, passes filter test
≤0.001% total nitrogen (N)

pH

4.0-4.5 (20 °C, 1.5 M in H2O)

solubility

H2O: 1.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg

cation traces

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤5 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤100 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1.5 M in H2O

UV absorption

λ: 260 nm Amax: 0.046
λ: 280 nm Amax: 0.040

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

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