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44939 Sigma-Aldrich

Iron(II) chloride tetrahydrate

puriss. p.a., ≥99.0% (RT)

Synonym: Ferrous chloride tetrahydrate

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, I-N, Puriss p.a.,
Quality Level   200
vapor pressure   10 mmHg ( 693 °C)
grade   puriss. p.a.
assay   ≥99.0% (RT)
form   powder or crystals
impurities   ≤0.001% total nitrogen (N)
pH   2.5 (20 °C, 100 g/L)
anion traces   sulfate (SO42-): ≤100 mg/kg
cation traces   As: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤50 mg/kg
  Cr: ≤10 mg/kg
  Cu: ≤5 mg/kg
  Fe3+: ≤2000 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤50 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤10 mg/kg
  Zn: ≤20 mg/kg
SMILES string   O.O.O.O.Cl[Fe]Cl
InChI   1S/2ClH.Fe.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2
InChI key   WSSMOXHYUFMBLS-UHFFFAOYSA-L

Description

General description

Iron(II) chloride tetrahydrate is a hydrated metallic halide. Crystal structure studies suggest that it crystallizes in monoclinic system having space group P21/c.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN3260 - DOT NA1759 - class 8 - PG 2 - Corrosive solid, acidic, inorganic, n.o.s., HI: all
WGK Germany 
WGK 1
RTECS 
NO5600000
Flash Point(F) 
does not flash
Flash Point(C) 
does not flash

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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