Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Additional information on environmental fate and behaviour

Administrative data

Endpoint:
additional information on environmental fate and behaviour
Adequacy of study:
other information

Data source

Reference
Reference Type:
publication
Title:
Ionisation Constants of|Organic Acids in Aqueous Solution.
Author:
Sergeant, E.P.; Dempsey, B.
Year:
1979
Bibliographic source:
Pergamon: Oxford, NY. |IUPAC Chemical Data Series no. 23.

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Methanethiol
EC Number:
200-822-1
EC Name:
Methanethiol
Cas Number:
74-93-1
Molecular formula:
CH4S
IUPAC Name:
methanethiol

Results and discussion

Any other information on results incl. tables

Memo: pKa Dissociation Constant : 10.3 at 25°C

Applicant's summary and conclusion