1.05940

Manganese(II) nitrate tetrahydrate

for analysis EMSURE^®

• Synonym(s): Manganese(II) nitrate tetrahydrate
• Linear Formula: Mn(NO₃)₂ · 4 H₂O
• CAS Number: 20694-39-7
• Molecular Weight: 251.01
• MDL number: MFCD00149789
• UNSPSC Code: 12352302
• EC Index Number: 233-828-8
• NACRES: NA.21

Properties

• Quality Level: 300
• product line: EMSURE^®
• Assay: ≥98.5% (complexometric)
• form: solid
• pH: 3 (20 °C, 50 g/L in H₂O)
• mp: 37 °C
• solubility: 3800 g/L
• density: 2.13 g/cm³ at 20 °C
• bulk density: 750‑950 kg/m³
• anion traces: chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.005%
• cation traces: Ca: ≤0.001%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.005%; Mg: ≤0.005%; NH₄⁺: ≤0.05%; Na: ≤0.005%; Ni: ≤0.001%; Pb: ≤0.001%; Zn: ≤0.001%
• storage temp.: 2-30°C
• InChI: 1S/Mn.2NO3.4H2O/c;2*2-1(3)4;;;;/h;;;4*1H2/q+2;2*-1;;;;
• InChI key: ALIMWUQMDCBYFM-UHFFFAOYSA-N

Description

Analysis Note

Assay (complexometric): ≥ 98.5 %
pH-value (5 %; water): 2.8 - 3.6
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Ca (Calcium): ≤ 0.001 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Mg (Magnesium): ≤ 0.005 %
Na (Sodium): ≤ 0.005 %
NH₄ (Ammonium): ≤ 0.05 %
Ni (Nickel): ≤ 0.001 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.001 %

Legal Information

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

Safety Information

• Pictograms: GHS03,GHS05,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H272 - H302 - H314 - H373 - H412
• Precautionary Statements: P210 - P260 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Ox. Sol. 3 - Skin Corr. 1C - STOT RE 2 Inhalation
• Target Organs: Brain
• Supplementary Hazards: EUH071
• Storage Class Code: 5.1B - Oxidizing hazardous materials
• WGK: WGK 2