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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
melting point/freezing point
Type of information:
not specified
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: data from a reliable handbook cited in a peer reviewed database

Data source

Referenceopen allclose all

Reference Type:
other: peer reviewed database
Title:
Hazardous Substance DataBase
Author:
HSDB
Year:
2010
Bibliographic source:
http://toxnet.nlm.nih.gov/cgi-bin/sis/search/r?dbs+hsdb:@term+@na+AMMONIUM CARBONATE consulted on 2010-10-08
Reference Type:
secondary source
Title:
CRC Handbook of Chemistry and Physics. 76th ed. Boca Raton, FL: CRC Press Inc., 1995-1996., p. 4-38]
Author:
Lide, D.R. (ed.).
Year:
1996
Reference Type:
secondary source
Title:
Kirk-Othmer Encyclopedia of Chemical Technology.
Year:
1991
Bibliographic source:
4th ed. Volumes 1: New York, NY. John Wiley and Sons, 1991-Present., p. V2 263

Materials and methods

Type of method:
other: no data

Test material

Constituent 1
Chemical structure
Reference substance name:
Diammonium carbonate
EC Number:
208-058-0
EC Name:
Diammonium carbonate
Cas Number:
506-87-6
Molecular formula:
CH2O3.2H3N
IUPAC Name:
diammonium carbonate

Results and discussion

Melting / freezing pointopen allclose all
Decomposition:
yes
Decomp. temp.:
58 °C
Decomposition:
yes
Decomp. temp.:
316.2 K
Remarks on result:
other: Melts at 316.2 K, simultaneously decomposing to the carbamate and sesquicarbonate.

Applicant's summary and conclusion

Conclusions:
At 56°C the substance is decomposed before melting