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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
not specified
Adequacy of study:
supporting study
Study period:
2000
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Information from peer reviewed reference.

Data source

Reference
Reference Type:
review article or handbook
Title:
CRC Handbook of Chemistry and Physics (81st Ed)
Author:
Lide, DR
Year:
2000
Bibliographic source:
CRC Press Taylor & Francis Group, Boca Raton, FL, USA

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The method used to determine the dissociation constant was not reported.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloropyridine
EC Number:
203-646-3
EC Name:
2-chloropyridine
Cas Number:
109-09-1
Molecular formula:
C5H4ClN
IUPAC Name:
2-chloropyridine
Details on test material:
- Name of test material (as cited in study report): 2-Chloropyridine

Results and discussion

Dissociating properties:
yes
Dissociation constant
No.:
#1
pKa:
0.49
Temp.:
25 °C

Applicant's summary and conclusion