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Physical & Chemical properties

Dissociation constant

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Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Title:
Transactions of the Faraday Society
Author:
Bryson T.
Year:
1951
Bibliographic source:
Transactions of the Faraday Society

Materials and methods

Principles of method if other than guideline:
database entry, experimental data, potentiometric method

Test material

Constituent 1
Chemical structure
Reference substance name:
8-aminonaphthalene-2-sulphonic acid
EC Number:
204-311-4
EC Name:
8-aminonaphthalene-2-sulphonic acid
Cas Number:
119-28-8
Molecular formula:
C10H9NO3S
IUPAC Name:
8-aminonaphthalene-2-sulfonic acid
Test material form:
not specified

Results and discussion

Dissociating properties:
yes
Dissociation constant
No.:
#1
pKa:
3.66
Temp.:
25 °C

Applicant's summary and conclusion