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44970 Sigma-Aldrich

Iron(II) sulfate heptahydrate

puriss. p.a., ACS reagent

Synonym: Ferrous sulfate heptahydrate

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, E-L, Puriss p.a. ACS, Essential Chemicals,
grade   ACS reagent
vapor pressure   14.6 mmHg ( 25 °C)
InChI Key   SURQXAFEQWPFPV-UHFFFAOYSA-L
grade   puriss. p.a.
shelf life   ~2 yr
impurities   ≤0.001% total nitrogen (N)
pH   3.0-4.0 (25 °C, 50 mg/mL in H2O)
density   1.898 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤10 mg/kg
cation traces   As: ≤2 mg/kg
  Ca: ≤20 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤50 mg/kg
  Cr: ≤20 mg/kg
  Cu: ≤10 mg/kg
  Fe3+: ≤500 mg/kg
  K: ≤50 mg/kg
  Mg: ≤50 mg/kg
  Mn: ≤500 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤50 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤10 mg/kg

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Laboratory Gloves
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
NO8510000

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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