Merck
All Photos(4)

A4915

Sigma-Aldrich

Ammonium sulfate

ACS reagent, ≥99.0%

Synonym(s):
Mascagnite
Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
EC Number:
MDL number:
eCl@ss:
38030408
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent

assay

≥99.0%

form

powder or crystals

impurities

≤0.005% Insoluble matter

ign. residue

≤0.005%

pH

5.0-6.0 (25 °C, 5%)

mp

>280 °C (dec.) (lit.)

solubility

water: soluble 132 g/L at 20 °C

density

1.77 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
phosphate (PO43-): ≤5 ppm

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

storage temp.

room temp

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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General description

Ammonium sulfate is an ammonium salt commonly used as fertilizer. It can be synthesized by neutralizing sulfuric acid with ammonia. It can enhance the phytotoxicity of several herbicides like glyphosates. Ammonium sulfate is formed as a co-product during the manufacture of caprolactam, a precursor of nylon.

Application

Ammonium sulfate was used in methyl cellulose precipitable tannin assay to evaluate wine tannin in finished wine samples. It was also used in making externally mixed aerosols for analyzing the 1 × 3 tandem differential mobility analyzer (1 × 3-TDMA), which is mainly employed for determining the irreversibility of the hygroscopic growth factor of aerosol particles.

Packaging

25, 500 g in poly bottle
1 kg in poly bottle
2.5, 5, 12, 25, 50 kg in poly drum

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

More Documents

Quotes and Ordering

The 1-by-3 tandem differential mobility analyzer for measurement of the irreversibility of the hygroscopic growth factor.
Rosenoern T, et al.
Aerosol Science and Technology, 43(7), 641-652 (2009)
Influence of yeast strain on Shiraz wine quality indicators.
Holt H, et al.
International Journal of Food Microbiology, 165(3), 302-311 (2013)
Industrial catalytic aspects of the synthesis of monomers for nylon production.
Bellussi G and Perego C.
CATTECH, 4(1), 4-16 (2000)
Ammonium Compounds.
Weston CW, et al.
Kirk-Othmer Encyclopedia of Chemical Technology (2003)
Substitutes for Ammonium Sulfate as Additives with Glyphosate and Glufosinate.
Pratt D, et al.
Weed Technology, 17(3), 576-581 (2003)

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