Registration Dossier
Registration Dossier
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EC number: 305-105-8 | CAS number: 94334-32-4 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Thuya plicata, Cupressaceae.
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Laboratory protocol
- Principles of method if other than guideline:
- Mixture of a quantity of oil with water then extraction with dichlorometane using a separating funnel. see protocol in section "attached full study report".
- GLP compliance:
- no
- Type of method:
- other: separating funnel method with dichloromethane
Test material
- Reference substance name:
- Thuya plicata, ext.
- EC Number:
- 305-105-8
- EC Name:
- Thuya plicata, ext.
- Cas Number:
- 94334-32-4
- Molecular formula:
- not relevant as a UVCB substance
- IUPAC Name:
- Water steam distillation of needles and twigs of Thuya plicata
- Test material form:
- liquid
Constituent 1
Results and discussion
Water solubility
- Key result
- Water solubility:
- ca. 0.056 other: % w/w
- Conc. based on:
- test mat. (dissolved fraction)
- Temp.:
- 20 °C
- pH:
- ca. 7
- Remarks on result:
- other: pH and temp. are estimated values.
- Details on results:
- 0.566 % (w/w) corresponds to a solubility in water of 560 mg/l.
Applicant's summary and conclusion
- Conclusions:
- moderately soluble (100-1000 mg/L)
Thuya plicata essential oil is moderately soluble in water.
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