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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Data on physical properties of propane-2 -thiol (CAS 75 -33 -2) were obtained from a number of primary and secondary sources. The data in the secondary sources are based on a critical evaluation of peer-reviewed data and the selected values are considered to be reliable and representative of the property under investigation. Information in the review process was documented in the introduction of the source. The use of Klimisch codes (Klimisch et al., 1997) was extended to these secondary sources and a reliability code of (2) valid with restrictions was assigned when using the authoritative secondary source.

Review of the collated information indicates that propane-2 -thiol has a high vapour pressure with a relative density lower than water. The water solubility has been read-across with propane-1 -thiol and is of 1.9 g/L. The log Pow has been read-across from 2 -methylpropane-2 -thiol and is of 2.14. That means that propane-2 -thiol is not expected to bioaccumulate. With a flashpoint of -31°C and a boiling point of 55°C, propane-2 -thiol would be classified as a category 2 flammable liquid under CLP with the hazard phrase "highly flammable liquid or vapour" and as R11 under DSD with the risk phrase "highly flammable".