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Merck

09978

Ammonium sulfate

BioUltra, ≥99.0% (T)

동의어(들):

Mascagnite

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
(NH4)2SO4
CAS 번호:
Molecular Weight:
132.14
UNSPSC Code:
12352314
eCl@ss:
38030408
PubChem Substance ID:
EC Number:
231-984-1
NACRES:
NA.26
MDL number:
Assay:
≥99.0% (T)
Form:
crystals
Solubility:
H2O: 1 M at 20 °C, clear, colorless
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InChI

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

InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

product line

BioUltra

assay

≥99.0% (T)

form

crystals

impurities

insoluble matter, passes filter test

ign. residue

≤0.01% (as SO4)

loss

≤0.1% loss on drying, 110 °C

pH

5.0-6.0 (25 °C, 1 M in H2O)

mp

>280 °C (dec.) (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

1.77 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg, nitrate (NO3-): ≤50 mg/kg, phosphate (PO43-): ≤5 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.2 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤1 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤2 mg/kg, Fe: ≤2 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤50 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤2 mg/kg, Sr: ≤5 mg/kg, Zn: ≤1 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.037, λ: 280 nm Amax: ≤0.030

Quality Level

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General description

Ammonium sulfate is naturally present as a rare mineral mascagnite in volcanic fumaroles and due to coal fires in some dumps.

Application

Ammonium sulfate has been used:
  • to prepare mobile phase A for hydrophobic interaction chromatography (HIC)
  • as reference material for the thermal decomposition of NH4NO3 (S1–S6) thermal decomposition to N2O (S1-N2O–S6-N2O)
  • to prepare the stock solution for M63 medium
  • as a reagent in molecular biology and chromatography
  • in the precipitation and fractionation of proteins
  • in the purification of antibodies
  • for the crystallographic analysis of nucleic acids and proteins
  • in high-performance liquid chromatography (HPLC) analysis of proteins, such as in hydrophobic interaction chromatography
  • for Sepharose chromatography of tRNAs using reverse salt gradients
  • in long PCR buffer, in PCR lysis solution, and second-strand cDNA synthesis
  • HPLC analysis of phospholipids

Biochem/physiol Actions

Ammonium sulfate is an inorganic salt, which is mostly used as a soil fertilizer. It is also used as a flame retardant since it elevates the combustion temperature of the material and lowers maximum weight loss rates. This leads to an upsurge in the production of residue or char.

Other Notes

The most commonly used salt for the fractional precipitation of proteins due to its solubility and effectiveness; Protein crystallization; Sepharose chromatography of tRNAs using reverse salt gradients.

Legal Information

Sepharose is a trademark of Cytiva

저장 등급

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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문서 라이브러리 방문

T.D. Pollard
Methods in Enzymology, 85, 334-334 (1982)
Sepharose chromatography of transfer ribonucleic acids using reverse salt gradients.
G W Hatfield
Methods in enzymology, 59, 215-218 (1979-01-01)
Protein crystallization: the growth of large-scale single crystals.
G L Gilliland et al.
Methods in enzymology, 104, 370-381 (1984-01-01)
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))

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