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Physical & Chemical properties

Dissociation constant

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Administrative data

Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1997-01-15 till 1997-02-14
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline-conform study under GLP without restriction.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1996
Report Date:
1996

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 112 (Dissociation Constants in Water)
Principles of method if other than guideline:
Conductometer method
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Purity (MIT): 98.5 %

Results and discussion

Dissociating properties:
yes
Dissociation constant
pKa:
> 2.81
Temp.:
21 °C
Remarks on result:
other: MIT = low dissociated compound

Applicant's summary and conclusion

Conclusions:
pK > 2.8 at 21°C
MIT may be considered as a low dissociated compound. With respect to the chemical structure MIT represents a weak base.