Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Dissociation constant

Currently viewing:

Administrative data

Endpoint:
dissociation constant
Type of information:
other: handbook
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Handbook data are considered from a trusted source.

Data source

Reference
Reference Type:
review article or handbook
Title:
Dissociation constants of inorganic substances, 8-44
Author:
Lide, D.R. (ed.)
Year:
1999
Bibliographic source:
CRC Handbook of Chemistry and Physics, 80th ed., 1999-2000, New York: CRC Press.

Materials and methods

Test guideline
Guideline:
other: not mentioned in the handbook
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Ammonia NH3
IUPAC Name:
Ammonia NH3

Results and discussion

Dissociation constant
No.:
#1
pKa:
9.25
Temp.:
25 °C
Remarks on result:
other: Ammonia NH3

Applicant's summary and conclusion