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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Adequacy of study:
other information
Study period:
Jan 2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Guideline:
other: Calculation method (ACD/pKa v 7.0)
Deviations:
not specified
GLP compliance:
no
Dissociating properties:
yes
pKa:
8.96
Remarks on result:
other: first protonation

The test item is an amino hydrochloride, the non ionic form is the free amine, which is a base.

Conclusions:
3-Morpholinone, 4-[4-[(5S)-5-(aminomethyl)-2-oxo-3-oxazolidinyl]phenyl]-, hydrochloride is a base (calculated pKa for first protonation is 8.96).
Executive summary:

The test item is a base. The pKa of 8.96 for the first protonation was calculated with the ACD/pKa programm, vers 7.0.

Description of key information

3-Morpholinone, 4-[4-[(5S)-5-(aminomethyl)-2-oxo-3-oxazolidinyl]phenyl]-, hydrochloride is a base (calculated pKa for first protonation is 8.96).

Key value for chemical safety assessment

pKa at 20°C:
8.96

Additional information