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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data based

Data source

Reference
Reference Type:
secondary source
Title:
Aniline
Author:
Beilstein Institut
Year:
2006
Bibliographic source:
Beilstein Institut zur Foerderung der Chemischen Wissenschaften 26/09/06 Reg.-Nr. 605631.

Materials and methods

Test guideline
Guideline:
other: no data
Principles of method if other than guideline:
potentiometric method
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Aniline
EC Number:
200-539-3
EC Name:
Aniline
Cas Number:
62-53-3
Molecular formula:
C6H7N
IUPAC Name:
aniline
Details on test material:
- Name of test material (as cited in study report): aniline
- Analytical purity: pure

Results and discussion

Dissociating properties:
yes
Dissociation constant
pKa:
4.22
Temp.:
25 °C

Any other information on results incl. tables

Average of 22 quotes

Applicant's summary and conclusion