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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Vapour pressure

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2001-02-22 - 2002-01-17
Reliability:
1 (reliable without restriction)
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Deviations:
no
Principles of method if other than guideline:
NA
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: vapour pressure balance
Key result
Temp.:
25 °C
Vapour pressure:
< 0 Pa
Key result
Transition / decomposition:
yes

Due to decomposition of potassium monopersulfate by evolution of oxygen during six testings and as the reading for the first run was taken close to 25 °C, the extrapolated results from this run will be taken as the upper limit for the vapour pressure of the test substance.

Conclusions:
The vapour pressure of test substance Oxone® Monopersulfate Compound was determined to be <1.7 x 10^-4 Pa at 25 °C.
Executive summary:

The vapour pressure of test substance Oxone® Monopersulfate Compound was determined to be <1.7 x 10-4 Pa at 25 °C. Due to decomposition of potassium monopersulfate by evolution of oxygen during six testings and as the reading for the first run were taken close to 25°C, the extrapolated results from this run will be taken as the upper limit for the vapour pressure of the test substance.

Description of key information

The vapour pressure of  the test substance was determined to be < 1.7 x 10-4 Pa at 25 °C.

Key value for chemical safety assessment

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

Additional information