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221260 Sigma-Aldrich

Ammonium iron(III) sulfate dodecahydrate

ACS reagent, 99%

Synonym: Ammonium ferric sulfate dodecahydrate

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Properties

Related Categories Catalysis and Inorganic Chemistry, Chemical Synthesis, Essential Chemicals, Iron Catalysts, Iron Salts,
grade   ACS reagent
assay   98.5-102.0% (ACS specification)
  99%
form   crystals
reaction suitability   reagent type: catalyst
core: iron
impurities   ≤0.01% insolubles
  ≤0.05% not NH4OH pptd.
pH   1 (25 °C, 482.2 g/L)
mp   39-41 °C (lit.)
anion traces   chloride (Cl-): ≤0.001%
  nitrate (NO3-): ≤0.01%
cation traces   Cu: ≤0.003%
  Fe2+:, passes test (limit about 0.001%)
  Zn: ≤0.003%
storage temp.   2-8°C
SMILES string   N.O.O.O.O.O.O.O.O.O.O.O.O.[Fe+3].OS([O-])(=O)=O.[O-]S([O-])(=O)=O
InChI   1S/Fe.H3N.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;1H3;2*(H2,1,2,3,4);12*1H2/q+3;;;;;;;;;;;;;;;/p-3
InChI key   LCPUDZUWZDSKMX-UHFFFAOYSA-K

Description

Application

Ammonium ferric sulfate dodecahydrate may be used as a catalyst to synthesize:
• Isoamyl acetate from acetic acid and isoamyl alcohol.
• 2-Amino-5-(5-nitro-2-thienyl)-1,3,4-thiadiazole from 5-nitrothiophene-2-carboxaldehyde thiosemicarbazone via oxidative cyclization.

Packaging

2.5 kg in glass bottle

25, 500 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
WS5900000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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