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P3786

Potassium phosphate dibasic

Name: Potassium phosphate dibasic
Brand: SIGALD

ACS reagent, ≥98%

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Synonym(s):

Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate

Linear Formula:

K₂HPO₄

CAS Number:

7758-11-4

Molecular Weight:

174.18

EC Number:

231-834-5

MDL number:

MFCD00011383

UNSPSC Code:

12352300

eCl@ss:

38070212

PubChem Substance ID:

329820191

NACRES:

NA.21

grade

ACS reagent

Quality Level

200

Agency

suitable for SM 5210

Assay

≥98%

form

powder

impurities

≤0.001% Nitrogen compounds (as N)
≤0.01% Insoluble matter

loss

≤1.0% loss on drying, 105°C

pH

8.5-9.6 (25 °C, 5% in solution)

anion traces

chloride (Cl^-): ≤0.003%
sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.001%
Na: ≤0.05%
heavy metals: ≤5 ppm (by ICP-OES)

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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Related Categories

Phosphates

Salts

Application

Potassium phosphate dibasic has been used in the preparation of MMG (maltose, methyl green) medium, phosphate buffered saline and hypotonic solution.

Other Notes

Go to Redi-Dri^™ Product Listing 795496

Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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