Back to Search
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 Weight:
56.077000000000005 g/mol
Names and Synonyms:
Calcium Oxide
Common Name
CML 21
Synonym
Bell CML(E)
Synonym
CML 31
Synonym
Quicklime (CaO)
Synonym
Airlock
Synonym
Calcia (CaO)
Synonym
Burnt lime
Synonym
Caloxol CP 2
Synonym
Desical P
Synonym
Rhenosorb F
Synonym
Rhenosorb C
Synonym
Calxyl
Synonym
Calcia
Synonym
Caloxol W 3
Synonym
Calcium monoxide
Synonym
Calx
Synonym
Calcium oxide
Synonym
Calcium oxide (CaO)
Synonym
HAL-J
Synonym
Kezadol PCI
Synonym
Seisekkai J 1P
Synonym
HAL-G
Synonym
WKF 40
Synonym
Vesta 18
Synonym
Rapidquell Quicklime CL 90Q
Synonym
TK 107
Synonym
Calcium oxide (CaO)
Synonym
F Raimu 1300K
Synonym
JYQ-S 02
Synonym
UPC-B 01
Synonym
CaO 80
Synonym
CaO WFK Super 40
Synonym
CL 90Q90
Synonym
CaO
Synonym
Caloxol CP 2HU
Synonym
Polycal OS 325
Synonym
Polycal O 5325
Synonym
Nekafin 2
Synonym
Hyper Expan M
Synonym
DryPaste S 1
Synonym
Polycal OFT 15
Synonym
OM 1 (pigment)
Synonym
OM 1
Synonym
CA 602
Synonym
Vesta QCX
Synonym
Stomilex
Synonym
Rhenofit C
Synonym
Moisutoppu 20
Synonym
Rhenofit F
Synonym
CAC 20209A
Synonym
Fishcal
Synonym
Shell Lime HTO
Synonym
NanoActive Calcium Oxide
Synonym
Vesta 20
Synonym
Borumikku
Synonym
Moisutoppu 10
Synonym
Power-Ca
Synonym
Chelan
Synonym
Bell CML 41
Synonym
Rhenogran CaO 80
Synonym
KSX
Synonym
Caltrac
Synonym
Calciogreen
Synonym
NanoActive CaO Plus
Synonym
NanoActive CaO
Synonym
Mikuronraimu
Synonym
Nanotek CaO
Synonym
F Raimu 900K
Synonym
F Raimu 1300D
Synonym
FCA 8A
Synonym
E 529
Synonym
CML 35S
Synonym
CSQ
Synonym
Caloxal CPA
Synonym
Bell CML(P)
Synonym
QC-X
Synonym
Vesta PP
Synonym
CML 35
Synonym
Identifiers:
SMILES:
[Ca].[O]
InChI:
InChI=1S/Ca.O
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
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.
All Properties
Comprehensive physical and chemical properties
Physical Properties
| Property | Value | Source |
|---|---|---|
| cas-inchi | InChI=1S/Ca.O None | Legacy Database |
| LogP | -0.49960000000000004 | RDKit |
| molecular_mass | 56.08 g/mol | Legacy Database |
| wikipedia_url | https://en.wikipedia.org/wiki/Calcium_oxide None | Legacy Database |
| cas-boiling-point | 2850 °C None | Legacy Database |
| cas-canonical-smile | O=[Ca] None | Legacy Database |
| cas-inchi-key | InChIKey=ODINCKMPIJJUCX-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | 2572 °C None | Legacy Database |
| cas-name | Calcium oxide None | Legacy Database |
| wikipedia-name | Calcium oxide None | Legacy Database |
| cas-density | 3.3-3.4 g/cm3 None | Legacy Database |
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 56.077000000000005 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 55.957505600000005 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 2 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 0 count | RDKit |
| Hydrogen Bond Donors | 0 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 0 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 0 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 28.5 Ų | RDKit |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 6.440499999999999 | RDKit |