Merck
All Photos(2)

1.04873

Supelco

Potassium dihydrogen phosphate

for analysis EMSURE® ISO

Synonym(s):
prim.-Potassium phosphate, mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic, Potassium phosphate monobasic, Monopotassium phosphate, Potassium dihydrogen phosphate
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
Número MDL:
Número índice de la CE:
231-913-4

Nivel de calidad

300

Agency

reag. ISO

línea de producto

EMSURE®

ensayo

≥99.5% dry basis (alkalimetric)
99.5-100.5% (alkalimetric)

formulario

solid

potencia

>4640 mg/kg LD50, skin (Rabbit)

technique(s)

UV/Vis spectroscopy: suitable

pérdida

≤0.2% loss on drying, 110 °C
≤0.2% loss on drying, 130 °C

pH

4.2-4.6 (20 °C, 20 g/L in H2O)

mp

252.6 °C (lit.)

solubilidad

208 g/L

densidad

2.338 g/mL at 25 °C (lit.)

densidad aparente

1200 kg/m3

trazas de anión

chloride (Cl-): ≤0.0005%
sulfate (SO42-): ≤0.003%

trazas de catión

As: ≤0.0002%
Cu: ≤0.0003%
Fe: ≤0.0010%
N: ≤0.001%
Na: ≤0.02%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.0010%

temp. de almacenamiento

2-30°C

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Nota de análisis

Assay (alkalimetric, calculated on dried substance): 99.5 - 100.5 %
Assay (alkalimetric; dried substance): ≥ 99.5 %
pH-value (5 %; water): 4.2 - 4.5
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0010 %
As (Arsenic): ≤ 0.0002 %
Cu (Copper): ≤ 0.0003 %
Fe (Iron): ≤ 0.0010 %
Na (Sodium): ≤ 0.02 %
Pb (Lead): ≤ 0.001 %
Reducing substances: passes test
Loss on drying (110 °C): ≤ 0.2 %
Loss on drying (130 °C): ≤ 0.2 %
Correspons to ISO

Información legal

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de clase de almacenamiento

11 - Combustible Solids

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Quality

Enter Lot Number to search for Certificate of Quality (COQ).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service