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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

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 base

Data source

Reference
Reference Type:
publication
Title:
no data
Author:
Buist: Lucas
Year:
1957
Bibliographic source:
J.Am.Chem.Soc.; 79; 6157, 6159. Cited in Beilstein Information Systems, 25 Oct 2006

Materials and methods

Principles of method if other than guideline:
other: portentiometric
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Aziridine
EC Number:
205-793-9
EC Name:
Aziridine
Cas Number:
151-56-4
Molecular formula:
C2H5N
IUPAC Name:
aziridine

Results and discussion

Dissociating properties:
yes
Dissociation constant
No.:
#1
pKa:
6.11
Temp.:
22 °C

Applicant's summary and conclusion