| Cas
number
:- |
7791-18-6
|
| Composition
:- |
MgCl2
- 46.83%
H20 - 53.17%
Mg - 11.95%
Cl - 34.88%
|
| Description
:- |
Colorless,
Deliquescent crystals.
|
| Melting
point :- |
About
115oc with decomposition.
|
| Solubility
:- |
In
water 167 gm in 100 ml at 20o
334 gm in 100 ml at 100o
|
| Requirements
:- |
In
ethanol, methanol
pH (assay 1 in 20 ml) solution 5 -6.5 at 25oc
|
Maximum
Limits of Impurities:-
| Insoluble
matter |
0.003% |
| Acidity
Alkalinity |
Passes
test |
| Alcohol
Insoluble matter |
Passes
test |
| Nitrogen
Compounds(N) |
0.002% |
| Nitrate(NO3) |
0.001% |
| Phosphate(PO4) |
0.0002% |
| Sulfate(SO4) |
0.002% |
| Barium(Ba) |
0.002% |
| Calcium(Ca) |
0.011% |
| Copper(Cu) |
0.0002% |
| Iron(Fe) |
0.0002% |
| Arsenic(As) |
0.002% |
| Lead(Pb) |
0.0002% |
| Manganese(Mn) |
0.0005% |
| Potassium(K) |
0.005% |
| Sodium(Na) |
0.001% |
| Strontium(Sr) |
0.005% |
| Zinc(Zn) |
0.0005% |
| Bromide(Br) |
0.05% |
| Organic
Volatile Impurities |
Passes
test |
|