氯化镁 六水合物

MgCl₂ · 6H₂O

203.30

MFCD00149781

232-094-6

Replaces: MX0045; MX0045-1; MX0045-2; MX0045-4; MX0045-20

Assay (complexometric): 99.0 - 101.0 %
Identity: conforms
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water): 5.0 - 6.5
Acidity or alkalinity: passes test
Bromide (Br): ≤ 0.05 %
Nitrate (NO₃): ≤ 0.001 %
Phosphate (PO₄): ≤ 5 ppm
Sulfate (SO₄): ≤ 0.002 %
Total nitrogen (N): ≤ 0.0002 %
Heavy metals (ACS): ≤ 5 ppm
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0002 %
As (Arsenic): ≤ 0.0002 %
Ba (Barium): ≤ 0.002 %
Ca (Calcium): ≤ 0.003 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 5 ppm
K (Potassium): ≤ 0.001 %
Mn (Manganese): ≤ 5 ppm
Na (Sodium): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.002 %
Pb (Lead): ≤ 0.0005 %
Sr (Strontium): ≤ 0.005 %
Water: 51.0 - 55.0 %
Corresponds to ACS, ISO, Reag. Ph Eur

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

300

ACS reagent

reag. ISO
reag. Ph. Eur.

99.0-102.0% (complexometric)

solid

8100 mg/kg LD₅₀, oral (Rat)

4.5-7.0 (20 ℃, 50 g/L in H₂O)

117 ℃ (decomposition)

bromide (Br^-): ≤0.05%
nitrate (NO₃^-): ≤0.001%
phosphate (PO₄^3-): ≤5 ppm
sulfate (SO₄^2-): ≤0.002%

Al: ≤ 0.0002%
As: ≤ 0.0002%
Ba: ≤ 0.002%
Ca: ≤ 0.003%
Cu: ≤ 0.0005%
Fe: ≤ 5 ppm
K: ≤ 0.001%
Mn: ≤ 5 ppm
N: ≤ 0.0002%
NH₄⁺: ≤ 0.002%
Na: ≤ 0.001%
Pb: ≤ 0.0005%
Sr: ≤ 0.005%
heavy metals: ≤ 5 ppm
heavy metals (as Pb): ≤ 0.0005%

2-30℃

O.O.O.O.O.O.Cl[Mg]Cl

1S/2ClH.Mg.6H2O/h2*1H;;6*1H2/q;;+2;;;;;;/p-2

DHRRIBDTHFBPNG-UHFFFAOYSA-L

13 - Non Combustible Solids

WGK 1