Magnesium Citrate CAS:7779-25-1

Molecular Formula

C12H10Mg3O14

CAS

7779-25-1

EINECS

604-400-1

HS Code

29181500

Purity

99%

Appearance

White or almost white, fine, slightly hygroscopic powder

Packaging

25 kg/bag

EXAMINATION ITEM

STANDARD PARAMETER

RESULT

APPEARANCE

White or almost white, fine, slightly hygroscopic powder

MG

15.0-16.5 % Mg on dry substance

15.2%

Ca

≤ 0.2 %

0.15%

Loss on drying

≤ 3.5 %

1.5%

Sulphate

≤ 0.2%

<0.2

As

≤ mg/kg ( = 0,0001 %)

<0.0001%

pH

6.0-8.5

8.23

Lead

≤ 1 mg /kg (=0.0001 %)

<0.0001 %

Iron

≤ 0.01 %

<0.01 %

Cadmium

≤ 0.1 mg/kg (=0,00001 %)

<0.00001 %

Mercury

≤ 0.1 mg/kg (=0,00001 %)

<0.00001 %

Identification test A for magnesium

Pass test/Test zgodny

Pass test

Identification test B for citrate

Pass test/Test zgodny

Pass test

Appearance of a solution

Not more opalescent than ref. susp. III and not more intensely coloured than ref.sol. Y7 or BY6

Pass test

Solubility

Soluble in water, practically insoluble in ethanol (96 %), it dissolves in diluted hydrochloric acid

Pass test

Particle size

by STEM method – Median (D50) particle size (number-based) not below 130 nm by laser diffraction method – Median (D50) particle size (mass-based) not below 50 μm

Pass test

CONCLUSION

Qualified