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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
oxocalcium

Inventory

EC number:
215-138-9
EC name:
Calcium oxide
CAS number:
1305-78-8
CAS number:
1305-78-8
Synonyms
Names:
Building lime
Burnt lime
Calcia
Calcium monoxide
Calcium oxide (CaO)
Chemical lime
Fat lime
Fluxing lime
Hard burnt lime
LIme
Lime
Pebble lime
Quick lime
Quicklime
Quicklime Burnt lime Lime Unslaked lime Building lime Calcia Fat Lime Chemical Lime Fluxing Lime Hard burnt lime Soft burnt lime Pebble lime Calcium monoxide
Soft burnt lime
Unslaked lime
building lime
burnt lime
lime
quicklime
unslaked lime
Identifier:
IUPAC name
CALCIUM OXIDE
Identifier:
IUPAC name
Oxocalcium
Identifier:
IUPAC name
calcium oxide
Identifier:
IUPAC name
oxocalcium
Identifier:
other: InChl
1/Ca.O/rCaO/c1-2
Identifier:
other: InChl
1/Ca.O/rCaO/c1-2
Identifier:
other: InChl
1S/Ca.O
Identifier:
other: InChl
InChI=1/Ca.O/rCaO/c1-2
Identifier:
other: SMILES notation
Not applicable
Identifier:
other: InChl
Not applicable
Identifier:
other: SMILES notation
Not available.
Identifier:
other: InChl
Not available.
Identifier:
other: SMILES notation
O=[Ca]
Identifier:
other: SMILES notation
[Ca]=O
Identifier:
other: InChl
ln Chl = 1/Ca.O/CaO/c1-2
Calcium oxide

Molecular and structural information

Molecular formula:
CaO
Molecular weight:
ca. 56.077
SMILES notation:
[Ca]=O
InChl:
InChI=1/Ca.O/rCaO/c1-2
Structural formula:
Chemical structure

Related substances

Identifier:
CAS number
Identity:
1305-78-8