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PX1570

Supelco

Potassium phosphate dibasic

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

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Synonym(s):
Potassium Hydrogen Phosphate, Dipotassium Phosphate, Dipotassium hydrogenphosphate, Dipotassium phosphate, sec.-Potassium phosphate
Linear Formula:
K2HPO4
CAS Number:
Molecular Weight:
174.18
MDL number:
EC Index Number:
231-834-5

agency

meets USP/NF

Quality Level

assay

≥98.0% (acidimetric)

form

granular

impurities

≤0.01% Insoluble matter

loss

≤1.0% loss on drying, 105°C

color

white

pH

9 (20 °C, 10 g/L in H2O)

solubility

1600 g/L

anion traces

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%
N: ≤0.001%
Na: ≤0.05%
heavy metals: ≤5 ppm

shipped in

ambient

storage temp.

room temp

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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This Item
45020060353795496
vibrant-m

PX1570

Potassium phosphate dibasic

-
vibrant-m

450200

Potassium phosphate dibasic

-
vibrant-m

60353

Potassium phosphate dibasic

Premium Grade
vibrant-m

795496

Potassium phosphate dibasic

-
solubility

1600 g/L

solubility

-

solubility

H2O: 1 M at 20 °C, clear, colorless

solubility

-

form

granular

form

powder and chunks

form

powder or crystals

form

powder

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

impurities

≤0.01% Insoluble matter

impurities

≤550.0 ppm Trace Metal Analysis

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected

impurities

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

anion traces

chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.005%

anion traces

-

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg

anion traces

chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.005%

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Assay (acidimetric)98.0% minChloride (Cl)0.003% maxColorWhiteFormGranular powderHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.01% maxIron (Fe)0.001% maxLoss on drying (105°C)1.0% maxNitrogen compounds (as N)0.001% maxSodium (Na)0.05% maxSulfate (SO4)0.005% maxpH of a 5% solution at 25°C8.5-9.6

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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