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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data/database

Data source

Reference
Reference Type:
secondary source
Title:
CRC Handbook of Chemistry and Physics. 71st ed.
Author:
Lide, DR (ed.).
Year:
1990
Bibliographic source:
Boca Raton, FL: CRC Press Inc., 1990-1991., p. 4- 53, cited in HSDB, query date 16 Apr 2009

Materials and methods

Test guideline
Guideline:
other: measured
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Calcium dihydroxide
EC Number:
215-137-3
EC Name:
Calcium dihydroxide
Cas Number:
1305-62-0
Molecular formula:
CaH2O2
IUPAC Name:
calcium dihydroxide
Details on test material:
Name of test material (as cited in study report): Calcium dihydroxide
Analytical purity: pure

Results and discussion

Melting / freezing point
Melting / freezing pt.:
580 °C
Atm. press.:
1 013 hPa
Remarks on result:
other: loses water

Any other information on results incl. tables

decomposition at melting point due to spill-off of water

Applicant's summary and conclusion