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1305-78-8
CaO
200800PD
99.9%-99.95 %
- 20 mesh/- 425 mesh (15.86 mic aps).etc
215-138-9
Class 8
UN1910
PG III
Characteristic
Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature. The broadly used term "lime" connotes calcium-containing inorganic materials, in which carbonates, oxides and hydroxides of calcium, silicon, magnesium, aluminium, and iron predominate.
Chemical formula：CaO
Molar mass：56.0774 g/mol
Appearance：White to pale yellow/brown powder
Odor：Odorless
Density：3.34 g/cm3
Melting point：2,613 °C (4,735 °F; 2,886 K)
Boiling point：2,850 °C (5,160 °F; 3,120 K) (100 hPa)
Solubility in water：Reacts to form calcium hydroxide
Solubility in Methanol：Insoluble (also in diethyl ether, octanol)
Acidity (pKa)：12.8
Magnetic susceptibility (χ)：−15.0×10−6 cm3/mol
Application
As a dehydrator
Production of calcium carbide
Destruction of opium
Reduce the acidity of sewage
Remove the sulfur from the exhaust
Reduce the bad smell of biodegradation
Improving acid soils for agriculture.
Characteristic
Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature. The broadly used term "lime" connotes calcium-containing inorganic materials, in which carbonates, oxides and hydroxides of calcium, silicon, magnesium, aluminium, and iron predominate.
Chemical formula：CaO
Molar mass：56.0774 g/mol
Appearance：White to pale yellow/brown powder
Odor：Odorless
Density：3.34 g/cm3
Melting point：2,613 °C (4,735 °F; 2,886 K)
Boiling point：2,850 °C (5,160 °F; 3,120 K) (100 hPa)
Solubility in water：Reacts to form calcium hydroxide
Solubility in Methanol：Insoluble (also in diethyl ether, octanol)
Acidity (pKa)：12.8
Magnetic susceptibility (χ)：−15.0×10−6 cm3/mol
Application
As a dehydrator
Production of calcium carbide
Destruction of opium
Reduce the acidity of sewage
Remove the sulfur from the exhaust
Reduce the bad smell of biodegradation
Improving acid soils for agriculture.
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