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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Water solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
07/01/2109-18/02/2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
no
GLP compliance:
no
Type of method:
column elution method
Water solubility:
0.001 mg/L
Conc. based on:
act. ingr. (dissolved fraction)
Remarks:
of 1-[2,4-bis(2-chlorophenyl)-5-(3,4-dimethoxyphenyl)imidazol-1-yl]-2,4-bis(2-chlorophenyl)-5-(3,4-dimethoxyphenyl)imidazole
Loading of aqueous phase:
12 mg/L
Incubation duration:
1 h
Temp.:
20 °C
pH:
7.7
Water solubility:
0.001 mg/L
Conc. based on:
act. ingr. (dissolved fraction)
Remarks:
of 2,4-bis(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenylimidazol-1-yl]-5-(3,4-dimethoxyphenyl)imidazole
Loading of aqueous phase:
12 mg/L
Incubation duration:
1 h
Temp.:
20 °C
pH:
7.7
Water solubility:
0.003 mg/L
Conc. based on:
act. ingr. (dissolved fraction)
Remarks:
of 2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenylimidazol-1-yl]-4,5-diphenylimidazole,
Loading of aqueous phase:
12 mg/L
Incubation duration:
1 h
Temp.:
20 °C
pH:
7.7
Key result
Water solubility:
ca. 0.002 mg/L
Conc. based on:
test mat. (total fraction)
Loading of aqueous phase:
12 mg/L
Incubation duration:
1 h
Temp.:
20 °C
pH:
ca. 7.7
Remarks on result:
other:
Remarks:
based on the weighted average of the results obtained for each component
Conclusions:
The the experimental water solubilities of the three main constituent of the reaction mass are:
- Compound 1 (1-[2,4-bis(2-chlorophenyl)-5-(3,4-dimethoxyphenyl)imidazol-1-yl]-2,4-bis(2-chlorophenyl)-5-(3,4-dimethoxyphenyl)imidazole), 0.0007±0.0005 mg/L corresponding to 8x10-10 M;
- Compound 2 (2,4-bis(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenylimidazol-1-yl]-5-(3,4-dimethoxyphenyl)imidazole), 0.001±0.001 mg/L corresponding to 2x10-9 M;
- Compound 3 (2-(2-chlorophenyl)-1-[2-(2-chlorophenyl)-4,5-diphenylimidazol-1-yl]-4,5-diphenylimidazole), 0.003±0.004 mg/L corresponding to 4x10-9 M.

Overall, the substance have a water solubility, based on the weighted average of the results obtained, of 0.0023 mg/L

Description of key information

Overall, the substance have a water solubility, based on the weighted average of the results obtained, of 0.0023 mg/L

Key value for chemical safety assessment

Water solubility:
0.002 mg/L
at the temperature of:
20 °C

Additional information