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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Monograph to phthalimide
Author:
Merck Index
Year:
2001
Bibliographic source:
Monograph to phthalimide (CAS 85-41-6); 13th. edition, 2001 electronic release. Whitehouse Station, New Jersey, USA.
Reference Type:
study report
Title:
Unnamed
Year:
1999
Title:
No title
Author:
METI Japan
Year:
1999
Bibliographic source:
blue sheet, CAS No. 85-41-6

Materials and methods

Principles of method if other than guideline:
secondary peer reviewed source, valid collection of data
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Phthalimide
EC Number:
201-603-3
EC Name:
Phthalimide
Cas Number:
85-41-6
Molecular formula:
C8H5NO2
IUPAC Name:
1H-isoindole-1,3(2H)-dione
Details on test material:
Phthalimide, purity not specified

Results and discussion

Dissociation constant
No.:
#1
pKa:
8.3

Any other information on results incl. tables


Phthalimide is a weak acid

Applicant's summary and conclusion