Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Experimental dates: 20-21 September 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. No deviation affected the quality of the study. The substance is adequately characterised. Therefore full validation applies.
- 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)
- Version / remarks:
- (2008)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- issued on 01/08/2019
- Type of method:
- pycnometer method
- Dynamic viscosity of test material:
- The viscosity value of the test item was not available, but it was visually considered suitable for measurement (< 500 Pa.s).
- Key result
- Type:
- relative density
- Density:
- 0.93 other: relative density is dimensionless
- Temp.:
- 20 °C
- Conclusions:
- The substance is less dense than water.
- Executive summary:
The relative density of the test substance was determined, under GLP, according to OECD 109/EU A3 guideline, using the pycnometer method.
Duplicate determinations were performed at 20°C, and converted to relative density vs water at 4°C. The average result was retained.
The relative density, D20/4, of the test substance was determined as 0.93.
Reference
| Parameter | Determination 1 | Determination 2 |
| w1 | 14.13690 | 15.46978 |
| w2 | 24.24085 | 25.82952 |
| w3 | 23.51673 | 25.09075 |
| W1 | 10.10395 | 10.35974 |
| W2 | 9.37983 | 9.62097 |
| D20/4 | 0.93 | 0.93 |
| average | 0.93 | |
The duplicate determinations fell within the estimated accuracy of the method (± 0.05 units).
Description of key information
Experimental relative density (D20/4) = 0.93
The substance is less dense than water.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.93
Additional information
A fully reliable experimental study, conducted according to a recognized OECD/EC guideline, and under GLP, is available. It is considered as a key study, and the result is retained as key data.
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.
