SHEET /m/calcium-oxide · PubChem CID 14778 · CAS 1305-78-8 · REV 2026.07
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Calcium oxide
from sourceCaO · 56.08 g/mol
caustic lime · quicklime · calx · calcium monoxide
What is Calcium oxide?
Quicklime, made by roasting limestone. It gets hot when it meets water, which is how self-heating cans work and why lime mortar sets. from source
CategoryEveryday chemistry
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Fig. 1 · 2D structure RDKit
SMILES
O=[Ca]Toxicity & hazards
DangerCorrosiveIrritantHealth hazardH302, H303, H304, H314, H315, H318, H335, H370, H371, H372from source