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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
not specified
GLP compliance:
yes (incl. QA statement)
Type of method:
effusion method: vapour pressure balance
Temp.:
25 °C
Vapour pressure:
< 0.003 Pa

No statistical analyses were performed because the balance readings were too low and variable for a line of best fit to have any meaning. Instead it was considered more appropriate to impose a regression slope on a chosen data point to provide an estimate of the maximum value for the vapour pressure at 25 "C.

Conclusions:
The vapour pressure of ruthenium acetate is <2.6 x 10-3 Pa.
Executive summary:

This is a GLP compliant, guideline study and is considered suitable for use as the key study for this endpoint.The vapour pressure of ruthenium acetate is <2.6 x 10-3 Pa.

Description of key information

The vapour pressure of ruthenium acetate is <2.6 x 10-3 Pa.

Key value for chemical safety assessment

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

Additional information

Tremain and Bartlett is a GLP compliant study following EU method A4 and is considered suitable for use as the key study for this endpoint. The vapour pressure of ruthenium acetate is <2.6 x 10-3 Pa.