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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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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:
Peltier; Bulletin de la Societe Scientifique de Bretagne; vol. 31; (1956); p. Sonderheft S.9,41,
Author:
Reaxys
Year:
2012
Bibliographic source:
cited in Reaxys ®, Copyright © 2010 Elsevier Properties SA. All rights reserved. Authorized use only. ID 2691947
Report date:
2012

Materials and methods

Test guideline
Guideline:
other: not documented
Principles of method if other than guideline:
Method potentiometric determination in water
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-Methoxy-6-methylbenzoic acid
EC Number:
612-182-4
Cas Number:
6161-65-5
Molecular formula:
C9H10O3
IUPAC Name:
2-Methoxy-6-methylbenzoic acid

Results and discussion

Dissociating properties:
yes
Dissociation constant
pKa:
3.46
Temp.:
20 °C
Remarks on result:
other: solvent water

Applicant's summary and conclusion