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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1991
Report date:
1991

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 112 (Dissociation Constants in Water)
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Reference substance 002
Cas Number:
97780-06-8
Test material form:
solid: crystalline
Details on test material:
- Purity: not specified

Results and discussion

Dissociating properties:
no
Dissociation constant
pKa:
4.6

Applicant's summary and conclusion

Conclusions:
Dissociation constant = 4.6
Executive summary:

The study was conducted according to OECD Guideline No. 112. The Dissociation Constant of the test substance was determined to be 4.6.