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Magnesium Oxide Specification
PRODUCT IDENTIFICATION
CAS NO. 1309-48-4
EINECS NO. 215-171-9
FORMULA MgO
MOL WT. 40.31
H.S. CODE 2519.90
SYNONYMS
Calcinated magnesia; Magnesia; Calcined Magnesite; Magnesium Monooxide; Akro-mag; Animag; Calcined brucite; Calcined magnesite; Granmag; Magcal; Maglite; Magnesia usta; Magnezu tlenek; Oxymag; Seawater magnesia
DERIVATION magnesite
PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE white powder
MELTING POINT 2800 C
BOIING POINT 3582 C
SPECIFIC GRAVITY 3.58
SOLUBILITY IN WATER Insoluble
pH 10.3
VAPOR DENSITY 1.39
NFPA RATING Health: 1; Flammability: 0; Reactivity: 0
STABILITY Stable under ordinary conditions
SALES SPECIFICATION
APPEARANCE white solid
MgO 93.0% min
CO2 1.5% max
INSOLUBLES IN HCl 0.2% max
SiO2 1.0% max
SULPHATE 0.2% max
CHLORIDE 0.1% max
LOSS ON IGNITION 7.0% max
PARTICLE SIZE < 75 µm

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