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Calcium oxide, 99.95% (metals basis)

Product Code. p-4407339
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Product Code. 11410041 Supplier Thermo Scientific Alfa Aesar Supplier No. 044776.18
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Description

CAS: 1305-78-8 | CaO | 56.08 g/mol

Calcium oxide has wide-ranging utility in industry. It is used in making porcelain, cements, mortars and glass. It is also employed in flue-gas desulfurization in power plants, purifying sugar, drying the solvents/reagents, preparing bleaching powder, calcium carbide and calcium cyanamide. It also finds use in water softeners, chemical recovery at Kraft pulp mills, biodiesel production and in the petroleum industry for the detection of traces of water. In agriculture, it is used to restore the pH of acidic soils (liming). It is useful as a basic catalyst and an acid scavenger in several organic transformations, for example, in Arndt-Eistert synthesis of alpha-diazoketones, synthesis of heterocycles and oximes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1305-78-8
Molecular Formula CaO
Molecular Weight (g/mol) 56.08
MDL Number MFCD00010911
InChI Key BRPQOXSCLDDYGP-UHFFFAOYSA-N
Synonym calcium oxide, burnt lime, calcia, calxyl, gebrannter kalk, unslaked lime, calcium monoxide, airlock, calx
PubChem CID 14778
ChEBI CHEBI:31344
SMILES [O--].[Ca++]

Specifications

Boiling Point 2850°C
Melting Point 2572°C
Color White
Physical Form Powder
Quantity 50 g
Assay Percent Range 99.95% (Metal basis)
Solubility Information Soluble in water. Insoluble in methanol,diethyl ether and n-octanol.
IUPAC Name oxocalcium
Formula Weight 56.08
Refractive Index 1.83
Sensitivity Air and moisture sensitive
Appearance White powder
Density 3.25-3.37 g/cm3 at 20°C
Chemical Name or Material Calcium oxide
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