Project Description
PRODUCT SPECIFICATIONS
|
PRODUCT |
Pharmaceutical Grade Magnesium Oxide HA4 |
|
CAS # |
1309-48-4 |
|
SYNONYM |
Magnesium Oxide; Magnesium oxide (MgO); Magnesium oxide (CI 77711) |
|
FORMULA |
MgO |
|
IDENTIFICATION |
positive test for Magnesium |
|
MAGNESIUM OXIDE AS MGO (IGNITED BASIS) |
96.0 – 100.5% |
|
LOSS ON IGNITION |
10% max |
|
FREE ALKALI |
2 ml max |
|
SOLUBLE SALTS |
2% max |
|
ACID INSOLUBLE SUBSTANCES |
0.1% max |
|
CALCIUM AS CA |
1.10% max |
|
HEAVY METALS, AS PB |
20 ppm max |
|
IRON AS FE |
0.05% max |
|
SULPHATE AS SO4 |
1.00% max |
|
CHLORIDE AS CL |
0.1% max |
|
LEAD AS PB |
0.3 ppm max |
|
ARSENIC, AS AS |
3 ppm max |
|
BULK DENSITY (UNTAPPED) |
0.20 – 0.55 gr/cc |
|
PARTICLE SIZE: PASSES 325 MESH (WET SIEVE) |
99.0% min |
|
MELTING POINT |
2800 c |
|
INSOLUBILITY |
in alcohol |
|
ODOR |
wh. powd. or cryst., odorless |
|
MOLECULAR WEIGHT |
40.31 |
|
SOLUBILITY |
dil. acids, ammonium salt solns. |
|
BOILING POINT |
3600 c |
|
DENSITY |
3.65-3.75 |
|
VERY SOLUBLE |
in water |
|
NOTES |
For use in the manufacture of antacid preparations and mineral supplements, and in the production of pharmaceutical grade magnesium derivatives. HA4 meets the requirements of Current US Pharmacopoeia
Use: ABSORBENT, BUFFERING, OPACIFYING |
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