Merck
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1.05853

Supelco

Magnesium nitrate hexahydrate

for analysis EMSURE® ACS,Reag. Ph Eur

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

ACS reagent

Quality Level

Agency

reag. Ph. Eur.

product line

EMSURE®

assay

99.0-102.0% (complexometric)

form

solid

potency

5440 mg/kg LD50, oral (Rat)

impurities

≤0.005% Insoluble matter

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

anion traces

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.0005%
sulfate (SO42-): ≤0.002%

cation traces

As: ≤0.0001%
Ba: ≤0.005%
Ca: ≤0.005%
Fe: ≤0.0005%
K: ≤0.0005%
Mn: ≤0.0005%
NH4+: ≤0.001%
Na: ≤0.0005%
Sr: ≤0.005%
heavy metals: ≤0.0005%

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

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Related Categories

Packaging

25 kg in Plastic drum

Linkage

Replaces: MX0060-1

Analysis Note

Assay (complexometric): 99.0 - 102.0 %
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 5.0 - 7.0
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (ACS): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ba (Barium): ≤ 0.005 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.001 %
Sr (Strontium): ≤ 0.005 %
Corresponds to ACS,Reag. Ph Eur

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

No data available

Flash Point(C)

No data available

Certificate of Analysis

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Certificate of Quality

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