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Molecule
Calcium Oxide
CAS: 1305-78-8 · CaO
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 1305-78-8
- Molecular Formula
- CaO
- Molecular Mass
- 56.08 g/mol
Identifiers
CAS Registry Number
1305-78-8
SMILES
[Ca].[O]
InChI Key
ODINCKMPIJJUCX-UHFFFAOYSA-N
InChI
InChI=1S/Ca.O
Names and Synonyms
- Calcium Oxide Common Name
- Calcium oxide (CaO) Synonym
- Calcium oxide Synonym
- Calx Synonym
- Calcium monoxide Synonym
- Caloxol W 3 Synonym
- Calcia Synonym
- Calxyl Synonym
- Rhenosorb C Synonym
- Rhenosorb F Synonym
- Desical P Synonym
- Caloxol CP 2 Synonym
- Burnt lime Synonym
- Calcia (CaO) Synonym
- Airlock Synonym
- Quicklime (CaO) Synonym
- CML 31 Synonym
- Bell CML(E) Synonym
- CML 21 Synonym
- CML 35 Synonym
- Vesta PP Synonym
- QC-X Synonym
- Bell CML(P) Synonym
- Caloxal CPA Synonym
- CSQ Synonym
- CML 35S Synonym
- E 529 Synonym
- FCA 8A Synonym
- F Raimu 1300D Synonym
- F Raimu 900K Synonym
- Nanotek CaO Synonym
- Mikuronraimu Synonym
- NanoActive CaO Synonym
- NanoActive CaO Plus Synonym
- Calciogreen Synonym
- Caltrac Synonym
- KSX Synonym
- Rhenogran CaO 80 Synonym
- Bell CML 41 Synonym
- Chelan Synonym
- Power-Ca Synonym
- Moisutoppu 10 Synonym
- Borumikku Synonym
- Vesta 20 Synonym
- NanoActive Calcium Oxide Synonym
- Shell Lime HTO Synonym
- Fishcal Synonym
- CAC 20209A Synonym
- Rhenofit F Synonym
- Moisutoppu 20 Synonym
- Rhenofit C Synonym
- Stomilex Synonym
- Vesta QCX Synonym
- CA 602 Synonym
- OM 1 Synonym
- OM 1 (pigment) Synonym
- Polycal OFT 15 Synonym
- DryPaste S 1 Synonym
- Hyper Expan M Synonym
- Nekafin 2 Synonym
- Polycal O 5325 Synonym
- Polycal OS 325 Synonym
- Caloxol CP 2HU Synonym
- CaO Synonym
- CL 90Q90 Synonym
- CaO WFK Super 40 Synonym
- CaO 80 Synonym
- UPC-B 01 Synonym
- JYQ-S 02 Synonym
- F Raimu 1300K Synonym
- Calcium oxide (CaO) Synonym
- TK 107 Synonym
- Rapidquell Quicklime CL 90Q Synonym
- Vesta 18 Synonym
- WKF 40 Synonym
- HAL-G Synonym
- Seisekkai J 1P Synonym
- Kezadol PCI Synonym
- HAL-J Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 56.08 g/mol | CAS Common Chemistry |
| 56.077000000000005 g/mol | RDKit | |
| 56.077 g/mol | RDKit | |
| 60.109 g/mol | chempirical lib | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Calcium_oxide | CAS Common Chemistry |
| Boiling Point | 2850 °C | CAS Common Chemistry |
| Canonical SMILES | O=[Ca] | CAS Common Chemistry |
| Density | 3.3-3.4 g/cm3 | CAS Common Chemistry |
| InChI | InChI=1S/Ca.O | CAS Common Chemistry |
| InChI Key | InChIKey=ODINCKMPIJJUCX-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 2572 °C | CAS Common Chemistry |
| Name | Calcium oxide | CAS Common Chemistry |
| Heavy Atom Count | 2 | RDKit |
| Hydrogen Bond Acceptors | 0 | RDKit |
| Hydrogen Bond Donors | 0 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 28.5 Ų | RDKit |
| LogP | -0.49960000000000004 | RDKit |
| -0.4996 | RDKit | |
| Molar Refractivity | 6.440499999999999 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 55.957505600000005 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
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140
120
100
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40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 56.08 g/mol. Edit any field — others recompute live.
