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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP compliant, guideline study. Available as an unpublished report. Acceptable without restrictions.
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
flask method
Water solubility:
<= 0.024 mg/L
Conc. based on:
test mat.
Temp.:
20 °C
pH:
>= 6.6 - <= 6.7
Details on results:
Water solubility of the test item has been determined to be less than 5.0 x 10-6 g/L of solution at 20.0 ± 0.5 °C, monitoring the rhodium concentration of the sample solutions; equivalent to a carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium solubility of less than 2.4 x 10-5 g/L of solution at 20.0 ± 0.5 °C.
Conclusions:
The water solubility of carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium has been determined to be less than 5.0 x 10-6 g/L of solution at 20.0 ± 0.5 °C, monitoring the rhodium concentration of the sample solutions; equivalent to a Carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium solubility of less than 2.4 x 10-5 g/L of solution at 20.0 ± 0.5 °C.
Executive summary:

This is a GLP compliant, guideline study considered suitable for use as the key study for this endpoint. The water solubility of carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium has been determined to be less than 5.0 x 10-6 g/L of solution at 20.0 ± 0.5 °C, monitoring the rhodium concentration of the sample solutions; equivalent to a Carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium solubility of less than 2.4 x 10-5 g/L of solution at 20.0 ± 0.5 °C.

Description of key information

The water solubility of carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium has been determined to be less than 5.0 x 10-6 g/L of solution at 20.0 ± 0.5 °C, monitoring the rhodium concentration of the sample solutions; equivalent to a Carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium solubility of less than 2.4 x 10-5 g/L of solution at 20.0± 0.5 °C. 

Key value for chemical safety assessment

Water solubility:
0 g/L
at the temperature of:
20 °C

Additional information

O’Connor and Woolley (2011) is a GLP compliant study following OECD TG 105 and is considered suitable for use as the key study for this endpoint. The water solubility of carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium has been determined to be less than 5.0 x 10-6 g/L of solution at 20.0 ± 0.5 °C, monitoring the rhodium concentration of the sample solutions; equivalent to a Carbonyl(pentane-2,4-dionato-O,O’)(triphenylphosphine) rhodium solubility of less than 2.4 x 10-5 g/L of solution at 20.0 ± 0.5 °C.