Registration Dossier
Registration Dossier
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EC number: 264-637-8 | CAS number: 64051-50-9
Density
Administrative data
Link to relevant study record(s)
Description of key information
Under the conditions of the study, the relative density of the test material is 0.9812.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.981
Additional information
The relative denisty of the test material was investigated in a study which was performed under GLP conditions and in accordance with the standardised guideline OECD 109.The study was assigned a reliability score of 1 in accordance with the criteria for assessing data quality set forth by Klimisch et al. (1997).
The relative density of the test material was determined by a gas comparison pycnometer method. The procedure was performed using a Micromeritics multivolume pycnometer. The apparatus was calibrated with a ball of known volume from five sets of pressure measurements of an inert gas (helium). The ball was placed in a measuring cup in the instrument and the test chamber was sealed and charged with helium. The gas was then allowed to expand into a further chamber of known volume and the volume of the test chamber was calculated from the pressure data using the gas laws. The density of the test substance was determined in a similar manner after the ball was replaced with test substance. The mean density of the test material at 20 °C was determined as the mean of five determinations (0.9818, 0.9811, 0.9812, 0.9811 and 0.9810 g/mL).
Under the conditions of the study, the relative density of the test material is 0.9812.
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