Merck
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A4418

Sigma-Aldrich

Ammonium sulfate

for molecular biology, ≥99.0%

Sinônimo(s):
Mascagnite
Fórmula linear:
(NH4)2SO4
Número CAS:
Peso molecular:
132.14
Número EC:
Número MDL:
eCl@ss:
38030408
ID de substância PubChem:
NACRES:
NA.31

Nível de qualidade

200

grau

for molecular biology

teor

≥99.0%

forma

powder

Impurezas

≤0.005% Insolubles

pH

5.0-6 (25 °C, 132 g/L)

pf

>280 °C (dec.) (lit.)

solubilidade

H2O: 0.667 g/mL

densidade

1.77 g/mL at 25 °C (lit.)

traços de ânion

chloride (Cl-): ≤5 ppm

traços de cátion

Cu: ≤5 ppm
Fe: ≤5 ppm
Zn: ≤5 ppm
heavy metals (as Pb): ≤2 ppm

absorção

≤0.025 at 280 at 1 M
≤0.03 at 260 at 1 M

atividade externa

DNase, RNase, and protease, none detected

SMILES string

N.N.OS(O)(=O)=O

InChI

1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

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Descrição geral

Ammonium sulfate is commonly used in agriculture as a nitrogen fertilizer. In aqueous solution, it dissociates to form ammonium and sulfate ions.

Embalagem

1 kg in poly bottle
100, 500 g in poly bottle
5 kg in poly drum

Aplicação

Ammonium sulfate has been used in the preparation of ′Blue Silver′ colloidal Coomassie stain for proteins.
Ammonium sulfate may be used for the precipitation or fractionation of proteins or for purification of antibodies. It is also useful for crystallographic analysis of nucleic acids and proteins.

Código de classe de armazenamento

13 - Non Combustible Solids

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificado de análise

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Certificado de origem

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William P Heal et al.
Nature protocols, 7(1), 105-117 (2011-12-24)
A protocol for selective and site-specific enzymatic labeling of proteins is described. The method exploits the protein co-/post-translational modification known as myristoylation, the transfer of myristic acid (a 14-carbon saturated fatty acid) to an N-terminal glycine catalyzed by the enzyme
Mohd Baasir Gaisawat et al.
Microorganisms, 8(1) (2020-01-08)
Clostridium (C.) difficile-infection (CDI), a nosocomial gastrointestinal disorder, is of growing concern due to its rapid rise in recent years. Antibiotic therapy of CDI is associated with disrupted metabolic function and altered gut microbiota. The use of probiotics as an
Simon Gareth Broadley et al.
Acta crystallographica. Section D, Biological crystallography, 68(Pt 11), 1450-1459 (2012-10-24)
MshB, a zinc-based deacetylase, catalyses a step in the mycothiol biosynthetic pathway that involves the deacetylation of 1-O-(2-acetamido-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol (GlcNAc-Ins), via cleavage of an amide bond, to 1-O-(2-amino-2-deoxy-α-D-glucopyranosyl)-D-myo-inositol (GlcN-Ins) and acetate. In this study, MshB was expressed, purified and crystallized. A
Kazunori Sugiura et al.
Biochemical and biophysical research communications, 457(3), 242-248 (2015-01-17)
Intracellular redox state is a critical factor for fundamental cellular functions, including regulation of the activities of various metabolic enzymes as well as ROS production and elimination. Genetically-encoded fluorescent redox sensors, such as roGFP (Hanson, G. T., et al. (2004))
James F Hunter et al.
Environmental science & technology, 48(17), 10227-10234 (2014-08-06)
A large number of organic species emitted into the atmosphere contain cycloalkyl groups. While cyclic species are believed to be important secondary organic aerosol (SOA) precursors, the specific role of cyclic moieties (particularly for species with multiple or fused rings)

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