Registration Dossier

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

The vapour pressure of 300 µPa at 25°C was extrapolated from an experimentally derived curve by results of 3.5 mPa at 50°C, 7.8 mPa at 60°C and 19 mPa at 70°C.

Key value for chemical safety assessment

Vapour pressure:
0 Pa
at the temperature of:
25 °C

Additional information

The vapour pressure of di-tert-nonyl polysulfide was measured at test temperatures 50, 60 and 70°C and was determined to be3.5 x 10-5 hPa at 50°C, 7.8 x 10-5 hPa at 60°C, 1.9 x 10-4 hPa at 70°C. The retention time of di-tert-nonyl polysulfide was at about 2.7 minutes for the first, 3.2 minutes for the second and 4.0 minutes for the third peak under these HPLC conditions. To quantify di-tert-nonyl polysulfide, the sum of the peak areas of all three peaks was used. The above key result is taking from Weissenfeld (2006) is a GLP-compliant gas saturation study which follows OECD guideline 104. The study is considered reliable and suitable for this endpoint.