Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Reference
Endpoint:
dissociation constant
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2013-04-22 to 2013-05-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 112 (Dissociation Constants in Water)
Version / remarks:
adopted 12th May 1981
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
- Name of test material (as cited in study report): PURASAL S (Sodium lactate; sodium-S-2-hydroxy propionate)
- Appearance: colourless liquid
- Lot/batch No.: 1208001453
- Expiry date: 13 August 2014
- Storage condition: at room temperature (15 - 25 °C)
Dissociating properties:
no
Remarks:
The test item does fully dissociates in water and does not show any measurable titratable acid or base equilibrium. Therefore it can be considered to be neutral in solution. The test item does not have a pKa in the range of 0-14.
No.:
#1
Temp.:
20 °C
Remarks on result:
other: The test item does not show any measurable titratable acid or base equilibrium and can be considered to be neutral in solution.

According to the obtained data, presented in the Appendix, the test item does not show any measurable titratable acid or base equilibrium and can be considered to be neutral in solution.

Conclusions:
Sodium (S)-lactate does not have a pKa in the range of 0-14.
Executive summary:

The dissociation constant of the test item was determined according to OECD test guideline 112 with the titration method. The test item fully dissociates in water and does not show any measurable titratable acid or base equilibrium. Therefore it can be considered to be neutral in solution. Sodium (S)-lactate does not have a pKa in the range of 0-14.

Description of key information

The dissociation constant of the test item was determined according to OECD test guideline 112 with the titration method.The test item fully dissociates in water and does not show any measurable titratable acid or base equilibrium. Therefore it can be considered to be neutral in solution. Sodium (S)-lactate does not have a pKa in the range of 0-14.

Key value for chemical safety assessment

Additional information