Pharmaceutical Grade Magnesium Oxide HA4
Quantity
Unit
CAS #
1309-48-4
PRODUCT
SYNONYM
Magnesium Oxide; Magnesium oxide (MgO); Magnesium oxide (CI 77711)
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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
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
CLASS
Inorganic Chemicals: Nitrates, Phosphates, Oxides & more, Magnesium Compounds
FUNCTIONS
Intermediates, Antacid, Catalyst
INDUSTRY
Pharmaceutical
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