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MilliporeSigma

60353

Sigma-Aldrich

Potassium phosphate dibasic

anhydrous, suitable for luminescence, Molecular Biology, BioUltra, ≥99.0% (T)

Synonym(s):

Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

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About This Item

Linear Formula:
K2HPO4
CAS Number:
Molecular Weight:
174.18
EC Number:
MDL number:
UNSPSC Code:
12161700
eCl@ss:
38070212
PubChem Substance ID:
NACRES:
NA.25

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grade

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 (SO42-): ≤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 Amax: ≤0.20
λ: 280 nm Amax: ≤0.15

suitability

suitable for luminescence

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

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1 of 4

This Item
5.438391.936301.05104
grade

for luminescence, for molecular biology

grade

anhydrous

grade

anhydrous

grade

-

assay

≥99.0% (T)

assay

-

assay

-

assay

≥99.0% (alkalimetric)

Quality Level

200

Quality Level

100

Quality Level

-

Quality Level

300

product line

BioUltra

product line

-

product line

EMPLURA®

product line

EMSURE®

form

powder or crystals

form

solid

form

-

form

solid

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

1600 g/L

solubility

-

solubility

1600 g/L

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.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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