Skip to Content
Merck
All Photos(4)

Key Documents

View All Documentation

Safety Information

P5379

Sigma-Aldrich

Potassium phosphate monobasic

ReagentPlus®

Synonym(s):

Monopotassium phosphate, Potassium dihydrogen phosphate, prim.-Potassium phosphate

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

Linear Formula:
KH2PO4
CAS Number:
7778-77-0
Molecular Weight:
136.09
EC Number:
231-913-4
MDL number:
MFCD00011401
UNSPSC Code:
12161700
PubChem Substance ID:
24898627
NACRES:
NA.25

Quality Level

200

product line

ReagentPlus®

Assay

≥99.0%

form

powder or crystals

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

252.6 °C (lit.)

solubility

water: 100 mg/mL, clear, colorless

density

2.338 g/mL at 25 °C (lit.)

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

Application

Potassium phosphate monobasic has been used:
  • in calibration curve generation in electrical conductivity measurement of plasma-activated tap water (PATW).
  • as a component of dissection solution.
  • as a constituent of phosphate buffered saline.

Legal Information

ReagentPlus 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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

P5379-CH:
P5379-500G:4548173207018
2016160:
P5379-EW:
P5379-1KG:4548173207001
P5379-AX:
P5379-VAR:
P5379-100G:4548173206981
2540114:
P5379-H:
P5379-10KG:4548173206998
P5379-BULK:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SLCL9713
SLCL9712
SLCL8045
BCCG6853
BCCG6854

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A Rapid Extraction Method for mammalian cell cultures, suitable for quantitative immunoblotting analysis of proteins, including phosphorylated GCN2 and eIF2alpha
Silva RC, et al.
MethodsX, 5, 75-82 (2018)
Plasma-activation of tap water using DBD for agronomy applications: Identification and quantification of long lifetime chemical species and production/consumption mechanisms
Judee F, et al.
Water Research, 133, 47-59 (2018)
Astrocyte-enriched feeder layers from cryopreserved cells support differentiation of spontaneously active networks of human iPSC-derived neurons
Schutte RJ, et al.
Journal of Neuroscience Methods, 294, 91-101 (2018)
Przemyslaw Nogly et al.
IUCrJ, 2(Pt 2), 168-176 (2015-04-14)
Lipidic cubic phases (LCPs) have emerged as successful matrixes for the crystallization of membrane proteins. Moreover, the viscous LCP also provides a highly effective delivery medium for serial femtosecond crystallography (SFX) at X-ray free-electron lasers (XFELs). Here, the adaptation of
Leo Syrjänen et al.
Frontiers in zoology, 12, 19-19 (2015-08-25)
Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous enzymes that catalyze the reversible hydration reaction of carbon dioxide. CAs are present as six structurally divergent enzyme families: α, β, γ, δ, ζ and η. β-CAs have a wide distribution across different
View All Related Papers

Protocols

Enzymatic Assay of Phytase (EC 3.1.3.8)

Derived from procedure SSPHYT02. Includes template updates to current SOP specifications and incorporation of notes into the procedure.

Enzymatic Assay of D-Alanine Racemase (EC 5.1.1.1)

This procedure applies to all products that have a specification for the enzymatic assay of D Alanine Racemase.

Enzymatic Assay of Fumarase

Enzymatic Assay of Fumarase

Enzymatic Assay of 3α-Hydroxysteroid Dehydrogenase with Androsterone (EC 1.1.1.50)

Enzymatic Assay of 3α-Hydroxysteroid Dehydrogenase with Androsterone (EC 1.1.1.50)

See All

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