Registration Dossier
Registration Dossier
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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.
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EC number: 200-362-1 | CAS number: 58-08-2
Partition coefficient
Administrative data
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.8 (Partition Coefficient)
- GLP compliance:
- no
- Type of method:
- shake-flask method to: flask method
- Partition coefficient type:
- octanol-water
Test material
- Reference substance name:
- Caffeine
- EC Number:
- 200-362-1
- EC Name:
- Caffeine
- Cas Number:
- 58-08-2
- Molecular formula:
- C8H10N4O2
- IUPAC Name:
- 1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
- Details on test material:
- name of test material (as cited in study report): 1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
Analytical purity: pure
Constituent 1
Study design
- Analytical method:
- other:
Results and discussion
Partition coefficient
- Type:
- log Pow
- Partition coefficient:
- -0.091
- Temp.:
- 23 °C
Any other information on results incl. tables
Summary of results
--------------------------
/ P(OW) /
1. Weighed sample / 0.812 /
2. Weighed sample / 0.804 /
3. Weighed sample / 0.806 /
Mean / 0.807 /
The partition coefficient of caffeine in 1-Octanol/Water at 25°C, log Pow = -0.0907. No data available for pH.
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
