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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Dissociation constant

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Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment

Data source

Reference
Reference Type:
publication
Title:
Multivariate Data Analysis of Various Biological Test Systems Used for the Quantification of Ecotoxic Compounds
Author:
Nendza M, Seydel JK (1988) Multivariate data analysis of various biological test systems used for the quantification of ecotoxic compounds. Quant Struct-Act Relat 7, 165-174
Year:
1988

Materials and methods

Principles of method if other than guideline:
UV-photometrical determination
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dichloroaniline
EC Number:
209-057-8
EC Name:
2,4-dichloroaniline
Cas Number:
554-00-7
Molecular formula:
C6H5Cl2N
IUPAC Name:
2,4-dichloroaniline

Results and discussion

Dissociation constant
pKa:
2.05
Remarks on result:
other: expressed as acidity of the conjugate acid

Applicant's summary and conclusion