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1.02554 Supelco

Cobalt(II) nitrate hexahydrate

for analysis (max. 0.001% Ni) EMSURE® ACS,Reag. Ph Eur

Synonym: Cobalt(II) nitrate hexahydrate

  • CAS Number 10026-22-9

  • Linear Formula Co(NO3)2 · 6 H2O

  • Molecular Weight 291.03

  •  MDL number MFCD00149647

  •  EC Index Number 233-402-1

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Properties

Quality Level   300
grade   ACS reagent
Agency/Method   reag. Ph. Eur.
assay   99.0-102.0% (Co(NO3)2.6H2O basis, complexometric)
form   solid
potency   691 mg/kg LD50, oral (Rat)
pH   4.0 (20 °C, 100 g/L in H2O)
mp   57 °C
solubility   2170 g/L
density   1.87 g/cm3 at 20 °C
bulk density   800 kg/m3
anion traces   chloride (Cl-): ≤0.001%
  sulfate (SO42-): ≤0.005%
cation traces   Ca: ≤ 0.005%
  Cu: ≤ 0.001%
  Fe: ≤ 0.001%
  K: ≤ 0.01%
  Mg: ≤ 0.005%
  Mn: ≤ 0.002%
  NH4+: ≤ 0.05%
  Na: ≤ 0.05%
  Ni: ≤ 0.001%
  Pb: ≤ 0.001%
  Zn: ≤ 0.005%
InChI   1S/Co.2NO3.6H2O/c;2*2-1(3)4;;;;;;/h;;;6*1H2/q+2;2*-1;;;;;;
InChI key   QGUAJWGNOXCYJF-UHFFFAOYSA-N
storage conditions   Store at +5°C to +30°C.

Description

Linkage

Replaces: CX1810-6; CX1810

Analysis Note

Assay (complexometrically, Co(NO₃)₂·6H₂O): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.01 %
Mg (Magnesium): ≤ 0.005 %
Mn (Manganese): ≤ 0.002 %
Na (Sodium): ≤ 0.05 %
NH₄ (Ammonium): ≤ 0.05 %
Ni (Nickel): ≤ 0.001 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.005 %

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EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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