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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Reference
Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26.06.2012 - 25.07.2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to guideline
Guideline:
other: as mention below
Principles of method if other than guideline:
Measurement of capacity of a compound to dissociate into respective ions.
GLP compliance:
no
Dissociating properties:
no
No.:
#1
pKa:
0
Temp.:
27 °C
Remarks on result:
other: 0.0000000141, 0.0000000143 and 0.000000014
Conclusions:
Test chemical was determine to be a weakly dissociating solid with the average pKa value of 0.0000000141 at 27°C
Executive summary:

Test chemical was determine to be a weakly dissociating solid with the average pKa value of 0.0000000141 at 27°C

Description of key information

Test chemical was determine to be a weakly dissociating solid with the average pKa value of 0.0000000141 at 27°C

Key value for chemical safety assessment

pKa at 20°C:
0

Additional information

Test chemical was determine to be a weakly dissociating solid with the average pKa value of 0.0000000141 at 27°C