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P3786

Potassium phosphate dibasic

ACS reagent, ≥98%

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
PubChem Substance ID:
eCl@ss:
38070212
UNSPSC Code:
12352302
NACRES:
NA.21
EC Number:
231-834-5
MDL number:
Assay:
≥98%
Grade:
ACS reagent
Form:
powder
Solubility:
water: soluble (completely)
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grade

ACS reagent

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)

solubility

water: soluble (completely)

anion traces

chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤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

Application

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

Legal Information

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


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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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Related Content

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.


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Global Trade Item Number

SKUGTIN
P3786-2.5KG04061834373018
P3786-4X2.5KG04061834373025
P3786-500G04061835349524
P3786-100G04061835349494
P3786-1KG04061835349500