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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
publication
Title:
Acid-Base Properties of Monomeric and Polymeric Ammonium Salts of N,N-Dimethylaminoethyl Methacrylate with Inorganic Acids
Author:
Efimova, D. Yu.; Shibalovich, V. G.; Nikolaev, A. F.; Tribo, E. N.
Year:
1998
Bibliographic source:
Russian Journal of Applied Chemistry; English; 71; 8; 1998; 1432 - 1436; cited in Beilstein Registry Number 1757048; query date 04 Nov 2009

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
2-dimethylaminoethyl methacrylate
EC Number:
220-688-8
EC Name:
2-dimethylaminoethyl methacrylate
Cas Number:
2867-47-2
Molecular formula:
C8H15NO2
IUPAC Name:
2-(dimethylamino)ethyl methacrylate
Details on test material:
Purity not specified, but commercial grade assumed.

Results and discussion

Dissociating properties:
yes
Dissociation constant
No.:
#1
pKa:
8.44
Temp.:
25 °C
Remarks on result:
other: a1 apparent; solvent: H2O

Applicant's summary and conclusion