Chromium(III) nitrate nonahydrate 99%

Supplier: Thermo Scientific
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Synonyms: Chromium trinitrate nonahydrate, Chromic nitrate nonahydrate, Chromium nitrate nonahydrate

219200010 219201000 219205000 219200051
ACRO219200010EA 146 GBP
ACRO219200010 ACRO219201000 ACRO219205000 ACRO219200051
Chromium(III) nitrate nonahydrate 99%
Chromium (III) nitrate nonahydrate
Formula: CrN₃O₉·9H₂O
MW: 400,15 g/mol
Melting Pt: 60 °C
Density: 1,807 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00149659
CAS Number: 7789-02-8
EINECS: 236-921-1
UN: 2720
ADR: 5.1,III
Merck Index: 13,02246

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Specification Test Results

Appearance Dark purple to black Crystalline chunks
Titration Iodometric ≥98.5 %
pH 2 to 3 (5 % in water)
Chloride (Cl) ≤20 ppm
Sulfate (SO4) ≤50 ppm
Ammonium (NH4) ≤10 ppm
Cadmium (Cd) ≤10 ppm
Calcium (Ca) ≤50 ppm
Cobalt (Co) ≤10 ppm
Copper (Cu) ≤10 ppm
Iron (Fe) ≤200 ppm
Lead (Pb) ≤20 ppm
Magnesium (Mg) ≤50 ppm
Manganese (Mn) ≤10 ppm
Nickel (Ni) ≤50 ppm
Sodium (Na) ≤50 ppm
Strontium (Sr) ≤50 ppm
Zinc (Zn) ≤10 ppm
Subst not pptd by NH4OH ≤0.2 % (as SO4)

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