Registration Dossier
Registration Dossier
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EC number: 241-533-0 | CAS number: 17540-75-9
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- from 02 May 2018 to 15 June 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Version / remarks:
- 2016
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7840 (Water Solubility)
- Version / remarks:
- 1998
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- flask method
Test material
- Reference substance name:
- 4-sec-butyl-2,6-di-tert-butylphenol
- EC Number:
- 241-533-0
- EC Name:
- 4-sec-butyl-2,6-di-tert-butylphenol
- Cas Number:
- 17540-75-9
- Molecular formula:
- C18H30O
- IUPAC Name:
- 4-(butan-2-yl)-2,6-di-tert-butylphenol
- Test material form:
- liquid
- Details on test material:
- Appearance: Colourless to yellowish liquid
Test item storage: At room temperature
Constituent 1
Results and discussion
Water solubility
- Key result
- Water solubility:
- 0.129 mg/L
- Incubation duration:
- >= 24 - <= 72 h
- Temp.:
- 20 °C
- pH:
- >= 7.2 - <= 7.8
- Details on results:
-Concentration analysed after 24, 48 and 72 hours of stirring: 0.135, 0.136 and 0.117 mg/L, resp.
-Maximum difference meets the criterion of ≤ 15% (i.e. 14%)
-The mean of the three concentrations was reported as the water solubility of the substance.
Applicant's summary and conclusion
- Conclusions:
- The water solubility of the substance at 20°C was determined to be 0.129 mg/L.
- Executive summary:
The water solubility of the substance was determined using the slow-stirring-flask method in a GLP study according to EC A.6, OECD 105 and OPPTS 830.7840. Quantification was performed by HPLC-UV. The pH of the aqueous samples was 7-8. From the measurements obtained after 24, 48 and 72 hours of stirring, the water solubility at 20°C was determined to be 0.129 mg/L.
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