Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
other: ECHA disseminated data
Title:
Mequinol CAS 150-76-5
Author:
ECHA
Year:
2018
Bibliographic source:
Published data; https://echa.europa.eu/de/registration-dossier/-/registered-dossier/16005/5/3/2
Report date:
2018

Materials and methods

Principles of method if other than guideline:
Guideline not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Mequinol
EC Number:
205-769-8
EC Name:
Mequinol
Cas Number:
150-76-5
Molecular formula:
C7H8O2
IUPAC Name:
4-methoxyphenol

Results and discussion

Dissociating properties:
yes
Dissociation constantopen allclose all
No.:
#1
pKa:
10.1
Remarks on result:
other:
Remarks:
Weight of Evidence entry #1
No.:
#2
pKa:
>= 10.05 - <= 10.27
Remarks on result:
other:
Remarks:
Weight of Evidence entry #2

Applicant's summary and conclusion