Merck
All Photos(2)

Documents

1.05108

Supelco

Potassium phosphate monobasic

99.995% anhydrous basis, Suprapur®

Sign Into View Organizational & Contract Pricing

Synonym(s):
Potassium phosphate monobasic, Potassium dihydrogen phosphate, mono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic, Monopotassium phosphate, prim.-Potassium phosphate
Linear Formula:
KH2PO4
CAS Number:
Molecular Weight:
136.09
MDL number:
EC Index Number:
231-913-4

grade

for inorganic trace analysis

Quality Level

Assay

≥99.5% (alkalimetric)
99.995% anhydrous basis

form

solid

potency

>4640 mg/kg LD50, skin (Rabbit)

technique(s)

HPLC: suitable

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

storage temp.

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

Application

  • Biocatalysis with in-situ product removal improves p-coumaric acid production: This research demonstrates the utility of potassium phosphate monobasic in biocatalytic reactions, particularly for improving the production of p-coumaric acid, a compound important in various biochemical applications (Virklund et al., 2024).
  • Unlocking the potential of biochar: Potassium phosphate monobasic is utilized to enhance the adsorption capacity of biochar composites for removing heavy metals like Pb(II) and Cd(II) from water, highlighting its effectiveness in environmental cleanup strategies (Li et al., 2024).
  • Partitioning recombinant chitinase from Nicotiana benthamiana by an aqueous two-phase system: Demonstrates the application of potassium phosphate monobasic in aqueous two-phase systems for efficient partitioning of enzymes, which is crucial for biotechnological and industrial applications (Tue et al., 2024).
  • Effect of K(+) Diffusion on Hydration of Magnesium Potassium Phosphate Cement: Potassium phosphate monobasic is explored for its role in affecting the hydration processes of magnesium potassium phosphate cements, providing insights valuable in construction and materials science (Leng et al., 2024).
  • Unlocking Nature′s Toolbox: This study showcases how potassium phosphate monobasic can be used to optimize conditions for the production of recombinant proteins, enhancing yields and streamlining production processes in biomanufacturing (Rajak et al., 2024).

Linkage

Replaces: 5108-1; 5108-2; 5108

Analysis Note

Purity (metallic): ≥ 99.995 %
Assay (acidimetric): ≥ 99.5 %
Spec. Absorbance A at 260 nm (2 cm, 10%, water): ≤ 0.010
Chloride (Cl): ≤ 5 ppm
Sulfate (SO₄): ≤ 30 ppm
As (Arsenic): ≤ 0.1 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.10 ppm
Hg (Mercury): ≤ 0.05 ppm
La (Lanthanum): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.50 ppm
Mn (Manganese): ≤ 0.010 ppm
Na (Sodium): ≤ 20.0 ppm
Ni (Nickel): ≤ 0.010 ppm
Pb (Lead): ≤ 0.005 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.50 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.005 ppm

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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