Merck
All Photos(1)

1.05855

Supelco

Magnesium nitrate hexahydrate

99.99 Suprapur®

Synonym(s):
Magnesium nitrate hexahydrate
Linear Formula:
Mg(NO3)2 · 6 H2O
CAS Number:
Molecular Weight:
256.41
EC Index Number:
233-826-7

grade

for inorganic trace analysis

Quality Level

assay

99.99%

form

solid

potency

5440 mg/kg LD50, oral (Rat)

pH

5.0-7.0 (25 °C, 50 g/L in H2O)

mp

89 °C (for the hexahydrate)

solubility

420 g/L

density

1.46 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/Mg.2NO3.6H2O/c;2*2-1(3)4;;;;;;/h;;;6*1H2/q+2;2*-1;;;;;;

InChI key

MFUVDXOKPBAHMC-UHFFFAOYSA-N

Packaging

500 g in Plastic bottle

Analysis Note

Purity (metallic): ≥ 99.99 %
Assay (complexometic, calc. as hexahydrate): ≥ 99.0 %
Chloride (Cl): ≤ 2 ppm
NH₄ (Ammonium): ≤ 10.0 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 20 ppm
Al (Aluminium): ≤ 0.010 ppm
Ba (Barium): ≤ 5.0 ppm
Bi (Bismuth): ≤ 0.005 ppm
Ca (Calcium): ≤ 5.00 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.005 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.050 ppm
K (Potassium): ≤ 1.0 ppm
La (Lanthanum): ≤ 0.010 ppm
Li (Lithium): ≤ 1.0 ppm
Mn (Manganese): ≤ 0.050 ppm
Na (Sodium): ≤ 5 ppm
Ni (Nickel): ≤ 0.005 ppm
Pb (Lead): ≤ 0.005 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 1.00 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.050 ppm

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

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