1.05866
Magnesium oxide
for analysis (max.0.001% SO4) EMSURE® ACS
Synonym(s):
Magnesium oxide, Magnesia usta
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About This Item
grade
ACS reagent
Quality Level
product line
EMSURE®
assay
≥97% (complexometric)
form
solid
impurities
≤0.02% Substances insoluble in hydrochloric acid, ≤0.02% Substances precipitated by ammonia, ≤0.4% Substances soluble in water
loss
≤2% loss on ignition, 1000 °C
pH
10.3 (20 °C in H2O, saturated solution)
bp
3600 °C/1000 hPa
mp
2800 °C
density
3.58 g/cm3 at 25 °C
bulk density
100 kg/m3
anion traces
carbonate (CO32-): ≤1.5%, chloride (Cl-): ≤0.01%, nitrate (NO3-): ≤0.005%, sulfate (SO42-): ≤0.001%, sulfate, sulfite (as SO42-): ≤0.02%
cation traces
As: ≤0.0001%, Ba + Sr (as Ba): ≤0.005%, Ca: ≤0.05%, Cu: ≤0.001%, Fe: ≤0.005%, K: ≤0.005%, Mn: ≤0.0005%, N: ≤0.002%, Na: ≤0.25%, Pb: ≤0.001%, Zn: ≤0.0005%, heavy metals (as Pb): ≤0.003%
storage temp.
no temp limit
SMILES string
[Mg]=O
InChI
1S/Mg.O
InChI key
CPLXHLVBOLITMK-UHFFFAOYSA-N
Analysis Note
Assay (complexometric): ≥ 97 %
Appearance of solution: passes test
Substances soluble in water: ≤ 0.4 %
Substances insoluble in hydrochloric acid: ≤ 0.02 %
Substances precipitated by ammonia: ≤ 0.02 %
Carbonate (as CO₂): ≤ 1.5 %
Chloride (Cl): ≤ 0.01 %
Nitrate (NO₃): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.001 %
Sulfate and sulphite (as SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.003 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.05 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.005 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.25 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0005 %
Barium and Strontium (as Ba): ≤ 0.005 %
Loss on ignition (1000 °C): ≤ 2.0 %
Conforms to ACS
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1058660500 | 04022536069234 |
| 1058660100 | 04022536069227 |