Merck
All Photos(3)

Documents

P9458

Sigma-Aldrich

Potassium sulfate

BioXtra, ≥99.0%

Sign Into View Organizational & Contract Pricing

Synonym(s):
K2SO4, Sulphate of potash
Linear Formula:
K2SO4
CAS Number:
Molecular Weight:
174.26
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.71

product line

BioXtra

Quality Level

Assay

≥99.0%

form

powder

impurities

≤0.005% Phosphorus (P)
≤0.1% Insoluble matter

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.001%

cation traces

Al: ≤0.0005%
Ca: ≤0.01%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.01%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

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

InChI

1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

OTYBMLCTZGSZBG-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
P854160528S6547
vibrant-m

P9458

Potassium sulfate

Premium Grade
vibrant-m

P8541

Potassium sulfate

-
vibrant-m

60528

Potassium sulfate

Premium Grade
vibrant-m

S6547

Sodium sulfate

Premium Grade
Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

solubility

H2O: 1 M, clear, colorless

solubility

H2O: 10/150 g/mL, clear

solubility

H2O: 0.5 M at 20 °C, clear, colorless

solubility

H2O: 1 M, clear, colorless

assay

≥99.0%

assay

≥99% (titration)

assay

≥99.0% (AT)

assay

≥99.0%

impurities

≤0.005% Phosphorus (P), ≤0.1% Insoluble matter

impurities

-

impurities

insoluble matter, passes filter test, ≤0.0005% total nitrogen (N)

impurities

≤0.0005% Phosphorus (P), ≤0.01% Insoluble matter

cation traces

Al: ≤0.0005%, Cu: ≤0.0005%, Mg: ≤0.0005%, Na: ≤0.01%, Zn: ≤0.0005%, Ca: ≤0.01%, NH4+: ≤0.05%, Fe: ≤0.0005%

cation traces

-

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤20 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤50 mg/kg, Zn: ≤5 mg/kg

cation traces

Al: ≤0.0005%, Ca: ≤0.005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Mg: ≤0.005%, NH4+: ≤0.05%, Pb: ≤0.001%, Zn: ≤0.001%

Application

Potassium sulphate has been used as a component of fermentation medium for culturing Pichia pastoris, minimal medium for growing microbial cultures and magnesium transporter A (MgtA) purification buffers.

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

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

Customers Also Viewed

Slide 1 of 7

1 of 7

Heterologous expression and purification of the magnesium transporter A (MgtA) in Escherichia coli
Subramani S and Morth JP
Bio-protocol, 6(22), 1299-1299 (2016)
Production of recombinant protein in Pichia pastoris by fermentation
Tolner B, et al.
Nature Protocols, 1(2), 1006-1006 (2006)
Absolute quantitation of intracellular metabolite concentrations by an isotope ratio-based approach
Bennett BD, et al.
Nature Protocols, 3(8), 1299-1299 (2008)
Jinyong Yan et al.
Bioresource technology, 102(7), 4755-4758 (2011-02-01)
A dual modification procedure composed of cross-linking and protein coating with K(2)SO(4) was employed to modify Geotrichum sp. lipase for catalyzing biodiesel production from waste cooking oil. Compared to single modification of protein coating with K(2)SO(4), the dual modification of
Xinjian Shi et al.
Nature communications, 5, 4775-4775 (2014-09-03)
Tungsten trioxide/bismuth vanadate heterojunction is one of the best pairs for solar water splitting, but its photocurrent densities are insufficient. Here we investigate the advantages of using helical nanostructures in photoelectrochemical solar water splitting. A helical tungsten trioxide array is

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