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A4915 Sigma-Aldrich

Ammonium sulfate

ACS reagent, ≥99.0%

Synonym: Mascagnite

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Properties

Related Categories Ammonium Salts, Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials,
Quality Level   200
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

Description

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

1 kg in poly bottle

2.5, 5, 12, 25, 50 kg in poly drum

25, 500 g in poly bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
BS4500000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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