Magnesium chloride hexahydrate
Molecular formula:MgCl2·6H2O Molecular weight: 203.30
Property: colourless crystal. Easy to absorb moisture. Relative density 1.56, melting point 118℃ and decompose, lose 2 molecules of crystal water at 100℃, decompose hydrogen chloride at 110℃. Soluble in water and ethanol.
Parameters
Specification index name |
AR |
CP |
Refined |
Content(MgCl2·6H2O) /%content |
≥98.0 |
≥98.0 |
98.0-101.0 |
(50g/L溶液,25℃) PH value |
5.0~6.5 |
5.0~6.5 |
4.5-7.0 |
Clarity test |
Qualified | Qualified | The solution should be clear and colourless. |
Water insoluble substance |
≤0.005 |
≤0.01 |
—— |
(SO4) sulfate |
≤0.005 |
≤0.01 |
≤0.01 |
(PO4) phosphate |
≤0.001 |
≤0.002 |
- |
N) Total nitrogen |
≤0.005 |
≤0.01 |
- |
(K)potassium |
— |
— |
Qualified |
(Ca) calcium |
≤0.05 |
≤0.1 |
≤0.1 |
(Fe) iron |
≤0.0005 |
≤0.001 |
≤0.001 |
(以Ba计) Barium and strontium |
≤0.005 |
≤0.005 |
Qualified |
(以Pb计) heavy metal |
≤0.0005 |
≤0.001 |
≤0.001 |
(As) arsenic |
- |
- |
≤0.0002 |
Acidity or alkalinity |
- |
- |
Qualified |
(以Pb计) lead |
- |
- |
≤0.0005 |
(Al)aluminium |
|
- |
≤0.0001 |
Bromide |
|
|
≤0.05 |
Uses: Used for analytical reagent, pharmaceutical industry can be used for dialysis powder, dialysis solution, food additives and so on.
Packing: inner plastic and outer braid, kraft paper bag or cardboard drum, net weight 25kg.
Note: The index parameters can be processed and customised according to users' requirements.