Calcium Oxide

Calcium Oxide is a chemical compound registered under number CAS 1305-78-8, with the molecular formula CaO, and a molar mass of 56.08 g/mol.

The molecule contains 2 atoms connected by 1 chemical bonds. The full systematic IUPAC name of this compound is oxocalcium. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, polar surface area PSA = 17.1 Ų, 0 donors and 1 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The interactive 3D model and the viewer images are protected by copyright (© MolGod.org) — terms of use: molgod.org/copyright/.

Molecular formula	CaO
Molar mass	56.08 g/mol
IUPAC	oxocalcium
SMILES	O=[Ca]
InChIKey	ODINCKMPIJJUCX-UHFFFAOYSA-N
logP (XLogP3)	—
PSA	17.1 Ų
HBD / HBA	0 / 1
PubChem CID	CID 14778 ↗

Signal word: Danger

H318 — Causes serious eye damage

H315 — Causes skin irritation

H370 — Causes damage to organs

H372 — Causes damage to organs through prolonged or repeated exposure

H303 — May be harmful if swallowed

H304 — May be fatal if swallowed and enters airways

H314 — Causes severe skin burns and eye damage

H371 — May cause damage to organs

H335 — May cause respiratory irritation

Calcia · Calxyl · Gebrannter kalk · Unslaked lime · Calcium monoxide · Airlock · CALX · Calx usta · Chaux vive · Quick lime · Rhenosorb C · Rhenosorb F · Calcium oxide (CaO) · Desical P · Lime, burned

• 📊 PubChem CID 14778 — NIH
• 🔬 NIST WebBook — spectroscopy
• 💊 ChEMBL — bioactivity