12303

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12303

Sigma-Aldrich

 

Ammonium iron(III) sulfate dodecahydrate

puriss., ≥99%

Synonym:Ammonium ferric sulfate dodecahydrate
CAS Number:7783-83-7
Linear Formula:NH4Fe(SO4)2 · 12H2O
Molecular Weight:482.19
MDL number:MFCD00150004

Details

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Properties

gradepuriss.
assay≥99%
total impurities≤0.1% substances not precipitated by NH4OH (as SO4)
mp39-41 °C(lit.)
solubilityH2O: 10 g/dL, in accordance
anion traceschloride (Cl-): ≤20 mg/kg
cation tracesCu: ≤20 mg/kg
 Fe2+: ≤20 mg/kg
 Pb: ≤20 mg/kg
 Zn: ≤50 mg/kg

Safety

Hazard CodesXi
Risk Statements36/38
Safety Statements26-36/37
WGK Germany3
RTECSWS5900000

References

referenceCorp MSDS 1 (1), 241:A / RegBook 1 (3), 3445:C / Sax 6, 263 / Sigma FT-IR 1 (2), 1022:C