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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Measurement of capacity of a compound to dissociate into respective ions.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N-dimethyl-p-toluidine
EC Number:
202-805-4
EC Name:
N,N-dimethyl-p-toluidine
Cas Number:
99-97-8
Molecular formula:
C9H13N
IUPAC Name:
N,N,4-trimethylaniline
Details on test material:
- Name of test material: N,N-dimethyl-p-toluidine
- Molecular formula: C9H13N
- Substance type: Organic
- Physical state: Liquid

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
0.055
Temp.:
35 °C
No.:
#2
pKa:
0.055
Temp.:
35 °C
No.:
#3
pKa:
0.055
Temp.:
35 °C

Applicant's summary and conclusion

Conclusions:
The experimental value of dissociation constant, expressed as pka, of N,N-dimethyl-p-toluidine was found to be in the range of 0.054 - 0.055 at 35 °C.
Executive summary:

The experimental value of dissociation constant, expressed as pka, of N,N-dimethyl-p-toluidine was found to be in the range of 0.054 - 0.055 at 35 °C.