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Merck

P9458

Potassium sulfate

BioXtra, ≥99.0%

Synonym(s):

K2SO4, Sulphate of potash

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About This Item

Linear Formula:
K2SO4
CAS Number:
7778-80-5
Molecular Weight:
174.26
NACRES:
NA.71
PubChem Substance ID:
24899038
UNSPSC Code:
12352207
EC Number:
231-915-5
MDL number:
MFCD00011388
Assay:
≥99.0%
Form:
powder
Solubility:
H2O: 1 M, clear, colorless

Key Documents

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Product Name

Potassium sulfate, BioXtra, ≥99.0%

InChI key

OTYBMLCTZGSZBG-UHFFFAOYSA-L

InChI

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

SMILES string

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

product line

BioXtra

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%

Quality Level

200

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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

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000523919
0000523919
BCCN9966
BCCN3227
0000436476

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Absolute quantitation of intracellular metabolite concentrations by an isotope ratio-based approach
Bennett BD, et al.
Nature Protocols, 3(8), 1299-1299 (2008)
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)
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
Jingjing Zheng et al.
Bioresource technology, 110, 224-231 (2012-02-15)
This study investigated the preparation and characteristics of protein-coated microcrystals (PCMCs) from Pseudomonas cepacia lipase (PS) and K(2)SO(4), and their application in biodiesel synthesis, via single factorial experiments and response surface methodology (RSM), the optimized PCMC-PS exhibited high activity and
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