Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
secondary source
Title:
Ionisation Constants of Organic Acids in Aqueous Solution
Author:
Serjeant, E.P., Dempsey B
Year:
1979
Bibliographic source:
Serjeant, E.P., Dempsey B.; Ionisation Constants of Organic Acids in Aqueous Solution. International Union of Pure and Applied Chemistry (IUPAC). IUPAC Chemical Data Series No. 23, 1979. New York, New York: Pergamon Press, Inc., p. 260.

Materials and methods

Test guideline
Guideline:
other: not reported
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzaldehyde
EC Number:
202-860-4
EC Name:
Benzaldehyde
Cas Number:
100-52-7
Molecular formula:
C7H6O
IUPAC Name:
benzaldehyde
Details on test material:
- Name of test material (as cited in study report): Benzaldehyde
- Analytical purity: pure (not indicated)

Results and discussion

Dissociating properties:
yes
Dissociation constant
No.:
#1
pKa:
14.9
Temp.:
20 °C

Applicant's summary and conclusion