Potassium phosphate monobasic

Name: Potassium phosphate monobasic
Brand: MM

for analysis EMSURE^® ISO

Synonym(s):

Potassium phosphate monobasic, Potassium dihydrogen phosphate, mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic, prim.-Potassium phosphate

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About This Item

Linear Formula:

KH₂PO₄

CAS Number:

7778-77-0

Molecular Weight:

136.09

NACRES:

NA.21

EC Index Number:

231-913-4

UNSPSC Code:

12352302

MDL number:

MFCD00011401

assay:

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

grade:

reagent grade

form:

solid

solubility:

208 g/L

Product Name

Potassium phosphate monobasic, for analysis EMSURE^® ISO

InChI

1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

SMILES string

[K+].OP(O)([O-])=O

InChI key

GNSKLFRGEWLPPA-UHFFFAOYSA-M

Quality Level

300

grade

reagent grade

agency

reag. ISO
suitable for SM 5210

product line

EMSURE^®

assay

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

form

solid

potency

>4640 mg/kg LD₅₀, skin (Rabbit)

technique(s)

UV/Vis spectroscopy: suitable

loss

≤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.)

solubility

208 g/L

density

2.338 g/mL at 25 °C (lit.)

bulk density

1200 kg/m³

anion traces

chloride (Cl^-): ≤0.0005%
sulfate (SO₄^2-): ≤0.003%

cation traces

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

storage temp.

2-30°C

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Related Categories

Lab Chemicals

Phosphates

Salts

Analysis Note

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

Application

β-lactoglobulin stabilized nanemulsions--Formulation and process factors affecting droplet size and nanoemulsion stability.: This research explores the stabilization mechanisms of β-lactoglobulin in nanemulsions, with implications for pharmaceutical and food sciences, potentially utilizing substances like potassium phosphate monobasic for stability and pH control (Ali et al., 2016).

Reverse phase liquid chromatographic determination of sulfathiazole residues in honey.: Discusses a method for detecting sulfathiazole in honey using reverse-phase liquid chromatography, highlighting the importance of analytical techniques that could involve reagents like potassium phosphate monobasic for sample preparation and analysis (Barry and MacEachern, 1983).

Legal Information

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

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c