Active Magnesium Oxide RA 40
Quantity
Unit
CAS #
1309-48-4
PRODUCT
SYNONYM
Magnesium Oxide; Magnesium oxide (MgO); Magnesium oxide (CI 77711)
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FORMULA
MgO
PRODUCT TYPE
Inorganic
MAGNESIUM OXIDE AS MGO (BY DIFFERENCE)
98.0 - 100.0 %
CALCIUM AS CAO
0.45% max
SILICON AS SIO2
0.04% max
IRON AS FE2O3
0.03% max
ALUMINUM AS AL2O3
0.015% max
CHLORIDE AS CL
0.25% max
SULPHATE AS SO4
0.50% max
SODIUM AS NA
0.2% max
POTASSIUM AS K
0.01% max
LOSS ON IGNITION
7.0% max
SURFACE AREA (BET)
40 - 70 m2/g
BULK DENSITY (10 TAPS)
0.60 g/cc max
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 where reactivity is required, as an acid accelerator in hapolymer system and as a thickener and viscosity modifier in SMC (sheet-molding compound) formulations.
Use: ABSORBENT, BUFFERING, OPACIFYING
CLASS
Specialty Chemicals, Inorganic Chemicals: Nitrates, Phosphates, Oxides & more, Magnesium Compounds
INDUSTRY
Industrial, Plastics, Rubber
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