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Calcium oxide, 99.95% (metals basis)

Catalog No. AA1092318
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AA1092330 250 g
AA10923A1 1 kg
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Catalog No. AA1092318 Supplier Thermo Scientific Chemicals Supplier No. 01092318
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Description

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

It is used in cement, glass, steel, paper, chemical and petroleum industries. It acts as a key ingredient in the process of cement making. It is widely used industrially as a dehydrating agent and an absorbent. Further it finds use as a water softener and as a pH regulator for wastewater. It is useful to detect traces of water in hydrocarbons, and in flue-gas desulfurization.

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 Slightly soluble in water. Insoluble in methanol
IUPAC Name calcium oxidandiide
Formula Weight 56.08
Odor Odorless
Refractive Index 1.83
Sensitivity Air and moisture sensitive
Appearance White powder
Density 3.25-3.38 g/cm3
Chemical Name or Material Calcium oxide
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Safety and Handling

Hazard Category H315-H318-H335
Precautionary Statement P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P310-P312-P332+P313-P362-P501c
DOTInformation DOT Class: 8, Packaging Group: III
EINECSNumber 215-138-9
RTECSNumber EW3100000
TSCA Yes
storageNote1 Air & Moisture Sensitive
Recommended Storage Ambient temperatures; Store under Argon
SDS

RUO – Research Use Only

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