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Diss Factsheets

Physical & Chemical properties

Water solubility

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water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
not performed according to GLP
according to guideline
EU Method A.6 (Water Solubility)
GLP compliance:
Type of method:
flask method
Key result
Water solubility:
40.5 g/L
Conc. based on:
test mat. (total fraction)
Loading of aqueous phase:
50 g/L
Incubation duration:
72 h
30 °C
Remarks on result:
other: Mean value of three measurements.
Details on results:
Results: Preliminary test, water solubility: 1-10 g/L
Sample 1, 24 h: water solubility = 39.48 g/L, pH = 6.15
Sample 2, 48 h: water solubility = 42.12 g/L, pH = 6.13
Sample 3, 72 h: water solubility = 40.00 g/L, pH = 6.14
Values 1-3 are used for the calculation of the average of values.
Water solubility = 40.5 g/l
pH = 6.14
The solubility of the tested substance was 40.5 g/L at 30°C.

Description of key information

The water solubility of zinc dipropionate is 40.5 g/L at 30 °C

Key value for chemical safety assessment

Water solubility:
40.5 g/L
at the temperature of:
30 °C

Additional information

Water solubility of zinc dipropionate is determined according to regulation (EC) No. 440/2008, A.6, ‘flask method’.