Description
ACS reagent, ≥99.0%
Synonym: Mascagnite
Linear Formula: (NH4)2SO4
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.
PROPERTIES
grade
ACS reagent
Pack Size
500g
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
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