Registration Dossier
Registration Dossier
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EC number: 690-928-8 | CAS number: 39992-90-0
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- read-across: supporting information
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
- Specific details on test material used for the study:
- Batch: 703709
Purity: 100 %
CoA: 2017-02-15 - Key result
- Water solubility:
- ca. 3.99 g/L
- Conc. based on:
- test mat.
- Loading of aqueous phase:
- 5 g/L
- Incubation duration:
- >= 145 - <= 198 h
- Temp.:
- 20 °C
- pH:
- ca. 7.66
- Conclusions:
- The solubility of IPDI-Uron was determined in ultra-pure water in equilibrium with atmospheric carbon dioxide at a temperature of 20 +/- 0.5 °C.
The following values were determined:
Mean solubility: 3.99 g/L
Determined pH value 7.66 - Executive summary:
The solubility of IPDI-Uron was determined in ultra-pure water in equilibrium with atmospheric carbon dioxide at a temperature of 20 +/- 0.5 °C according to EC method A.6 (Regualtion (EC) No 440/2008) and OECD guideline 105. The shake flask method was used, because the solubility determined in the preliminary tes was above 10 mg/L.
The following values were determined:
- Mean solubility: 3.99 g/L
- Determined pH value 7.66
The results indicate the required reproducibility (relative SD below 15 %) and no tendency to increasing values, when the shaking time was prolonged.
Reference
time of shaking [h] |
Analyte concentration Flask 1 [g/L] |
Analyte concentration Flask 2 [g/L] |
pH value |
145 168 198 |
4.06 4.08 4.07 |
3.91 3.89 3.91 |
7.92 7.38 7.40 |
Mean: SD: RSD [%]: |
4.07 0.01 0.2 |
3.90 0.01 0.3 |
7.57 0.31 4.1 |
Overall Mean: Overall AD: Overall RD [%]: |
3.99 0.17 4.3 |
||
SD = Standard Deviation, RSD [%] = Relative standard deviation, AD = Absolute deviation, RD [%] = Relative deviation
Description of key information
The solubility of IPDI-Uron was determined in ultra-pure water in equilibrium with atmospheric carbon dioxide at a temperature of 20 +/- 0.5 °C.
The following values were determined:
Mean solubility: 3.99 g/L
Determined pH value 7.66
Key value for chemical safety assessment
- Water solubility:
- 3.99 g/L
- at the temperature of:
- 20 °C
Additional information
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