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Physical & Chemical properties

Dissociation constant

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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 acidsband bases,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
Principles of method if other than guideline:
Method followed unknown; data from handbook.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Magnesium nitrate
EC Number:
233-826-7
EC Name:
Magnesium nitrate
Cas Number:
10377-60-3
Molecular formula:
HNO3.1/2Mg
IUPAC Name:
magnesium
Test material form:
solid: crystalline
Details on test material:
Mf: Mg(NO3)2
Mw: 148.314 (anhydrous)

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
11.4
Temp.:
25 °C
Remarks on result:
other: Magnesium(II) ion
No.:
#1
pKa:
3.25
Temp.:
25 °C
Remarks on result:
other: Nitrous acid: HNO2

Applicant's summary and conclusion