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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 604-011-7 | CAS number: 13726-69-7
Density
Administrative data
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 05 Oct 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 020
- Report date:
- 2020
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- 2012
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
- Version / remarks:
- 2002
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- air comparison pycnometer (for solids)
Test material
- Reference substance name:
- (2S,4R)-1-[(tert-butoxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid
- EC Number:
- 604-011-7
- Cas Number:
- 13726-69-7
- Molecular formula:
- C10H17NO5
- IUPAC Name:
- (2S,4R)-1-[(tert-butoxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Density
- Key result
- Type:
- relative density
- Density:
- 1.222
- Temp.:
- 20 °C
Any other information on results incl. tables
Results of the measurement of the density of the test item
| temperature (°C) | amount of test item (g) | average sample volume (cm³) | density (g/cm³) |
| 20 | 7.372 | 6.029 | 1.223 |
| 20 | 7.465 | 6.117 | 1.220 |
The mean density of the test item at 20 °C is 1.222 g/cm³. The relative density is 1.222.
Applicant's summary and conclusion
- Conclusions:
- According to OECD Test Guideline 109 (2012), Regulation (EC) No 440/2008 Method A.3. and EPA OCSPP Test Guideline OPPTS 830.7300 (2002), the Relative Density of the test item Boc-L-hydroxyproline at 20 °C ± 0.01 °C (compared to water at 4 °C) is determined to be: 1.222
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.
