Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
Journal of Organic Chemistry
Author:
Frost; Carlson;
Year:
1959
Bibliographic source:
Frost; Carlson; Journal of Organic Chemistry; vol. 24; (1959); p. 1581, cited in REAXYS, ID 907505 query date 2019-07-25

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Data from handbook or collection of data no data about the method was available.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N-benzylethylenediamine
EC Number:
223-984-5
EC Name:
N-benzylethylenediamine
Cas Number:
4152-09-4
Molecular formula:
C9H14N2
IUPAC Name:
N-benzylethane-1,2-diamine
Test material form:
liquid

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
6.48
Temp.:
25 °C
Remarks on result:
other: a1/apparent
No.:
#2
pKa:
9.41
Temp.:
25 °C
Remarks on result:
other: a2/apparent

Applicant's summary and conclusion