Registration Dossier
Registration Dossier
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EC number: 249-320-4 | CAS number: 28940-11-6
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From November 20 to December 07, 2007
- 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 considered to be adequately characterised with its purity. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- UK GLP Compliance Programme (inspected on August 21, 2007/ signed on October 15, 2007)
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- density
- Density:
- 1 350 kg/m³
- Temp.:
- 21.6 °C
- Remarks on result:
- other: accuracy ± 0.5 °C
- Type:
- relative density
- Remarks:
- D21.6/4
- Density:
- 1.35 other: relative density is unitless
- Temp.:
- 21.6 °C
- Conclusions:
- Much denser than water.
- Executive summary:
The density of the test substance was measured under GLP according OECD 109, gas comparison pycnometer method. After calibration, two independant samples were measured in duplicate, and the mean density was calculated.
The density of test substance has been determined to be 1350 kg/m3 at 21.6 ± 0.5 °C.
Reference
Table 4.4/1: Density – results
Determination |
P1 |
P2 |
Volume (cm3) |
Density (kg/m3) |
A |
17.055 |
6.997 |
18.5 |
1.37 x 103 |
B |
17.066 |
6.990 |
18.1 |
1.34 x 103 |
Temperature: 21.6 ± 0.5 °C
Mean density: 1.35 x 103 kg/m3
Description of key information
The substance is much denser than water.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.35
Additional information
A fully reliable experimental study, conducted according to a recognized OECD method and under GLP, is available. Therefore 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.
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