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Merck
CN

11225

Ammonium sulfate

puriss., ≥99%

Synonym(s):

Mascagnite

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About This Item

Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-984-1
MDL number:
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grade

puriss.

assay

≥99%

impurities

≤0.001% heavy metals (as Pb)

pH

5-6 (20 °C, 5%)

mp

>280 °C (dec.) (lit.)

density

1.77 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg

cation traces

As: ≤5 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg, K: ≤50 mg/kg, Mg: ≤50 mg/kg, Na: ≤50 mg/kg, Se: ≤30 mg/kg

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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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)

Regulatory Information

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514502
CorpBase ID (for auto-filling citation data) null
Deliquescence and crystallization of ammonium sulfate particles internally mixed with water-soluble organic compounds
Parsons MT, et al.
The Journal of Physical Chemistry A, 108(52), 11600-11608 (2004)
Neutron-Diffraction Study of the Structures of Ferroelectric and Paraelectric Ammonium Sulfate.
Schlemper EO, et al.
J. Chem. Phys. , 44(12), 4498-4509 (1966)
D A DePasquale et al.
Applied and environmental microbiology, 56(12), 3711-3717 (1990-12-01)
In this study we examined the mechanism by which ammonium bicarbonate inhibits mycotoxigenic fungi. Elevated extracellular pH, alone, was not responsible for the antifungal activity. Although conidia of Penicillium griseofulvum and Fusarium graminearum had internal pH (pHi) values as high
Separation of proteins by ammonium sulfate gradient solubilization.
T P King
Biochemistry, 11(3), 367-371 (1972-02-01)

Global Trade Item Number

SKUGTIN
PBCC0251004053252614811
323527-10G04061826708743
323527-50G04061826708750

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