Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 201-891-0 | CAS number: 89-25-8
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Final report on the safety assessment of phenyl methyl pyrazolone
- Author:
- Cosmetic Ingredient Review
- Year:
- 1 992
- Bibliographic source:
- Journal of the American College of Toxicology, Volume 11, Number 4
Materials and methods
Test guideline
- Guideline:
- other: no information on the method used
- GLP compliance:
- not specified
- Type of method:
- other: no information
Test material
- Reference substance name:
- 3-methyl-1-phenyl-5-pyrazolone
- EC Number:
- 201-891-0
- EC Name:
- 3-methyl-1-phenyl-5-pyrazolone
- Cas Number:
- 89-25-8
- Molecular formula:
- C10H10N2O
- IUPAC Name:
- 5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
Constituent 1
Results and discussion
Boiling pointopen allclose all
- Key result
- Boiling pt.:
- 287 °C
- Atm. press.:
- 105 mm Hg
- Key result
- Boiling pt.:
- 191 °C
- Atm. press.:
- 17 mm Hg
Applicant's summary and conclusion
- Conclusions:
- The boiling point is 287°C at 105 mm Hg and 191°C at 17mm Hg (data from litterature).
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.
