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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
dissociation constant
Type of information:
other: Literature
Adequacy of study:
supporting study
Reliability:
4 (not assignable)

Data source

Reference
Reference Type:
secondary source
Title:
BUA Stoffbericht 55: Chlortoluidine (3-Chlor-2-methylanilin, 5-Chlor-2-methylanilin, 3-Chlor-4-methylanilin)
Author:
BUA Beratergremium für umweltrelevante Altstoffe
Year:
1990
Bibliographic source:
Verlag Chemie Weinheim 1991

Materials and methods

GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
5-chloro-o-toluidine
EC Number:
202-452-6
EC Name:
5-chloro-o-toluidine
Cas Number:
95-79-4
Molecular formula:
C7H8ClN
IUPAC Name:
5-chloro-2-methylaniline

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
3.386
Temp.:
25 °C
Remarks on result:
other: pH-measurement
No.:
#2
pKa:
3.342
Temp.:
25 °C
Remarks on result:
other: Photometrie

Applicant's summary and conclusion