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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Dissociation constant

Currently viewing:

Administrative data

Endpoint:
dissociation constant
Type of information:
not specified
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Remarks:
Data comes from a review using secondary data sources, and therefore cannot be assigned as reliable.
Cross-reference
Reason / purpose for cross-reference:
reference to same study

Data source

Reference
Reference Type:
secondary source
Title:
Unnamed
Year:
2002

Materials and methods

Principles of method if other than guideline:
No data.

Test material

Constituent 1
Chemical structure
Reference substance name:
Chlorine dioxide
EC Number:
233-162-8
EC Name:
Chlorine dioxide
Cas Number:
10049-04-4
Molecular formula:
ClO2
IUPAC Name:
Chlorine Dioxide

Results and discussion

Dissociating properties:
no

Any other information on results incl. tables

Chlorine dioxide dissolves discretely in water (i.e., it does not dissociate into ions).

Applicant's summary and conclusion

Executive summary:

The international CICAD review states that the substance Chlorine dioxide does not dissociate into ions (i.e. no pKa) when dissolving in water.