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EC number: 610-565-0 | CAS number: 50717-99-2
Density
Administrative data
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 30 January 2018 - 31 October 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- 2016
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- 2012
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
- Version / remarks:
- 2002
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- air comparison pycnometer (for solids)
Test material
- Reference substance name:
- [(8R,9S,10R,13S,14S,17R)-3-ethoxy-17-ethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate
- EC Number:
- 610-565-0
- Cas Number:
- 50717-99-2
- Molecular formula:
- C24H32O3
- IUPAC Name:
- [(8R,9S,10R,13S,14S,17R)-3-ethoxy-17-ethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate
- Test material form:
- solid: particulate/powder
- Details on test material:
- Physical appearance: off-white powder
Storage conditions: at room temperature
Constituent 1
- Specific details on test material used for the study:
- TREATMENT OF TEST MATERIAL PRIOR TO TESTING
The test item was dried in a desiccator under vacuum using silica gel as the drying agent at 19.9 ± 0.7°C for 259 hours. - Dynamic viscosity of test material:
- not applicable (substance is a solid)
Results and discussion
Densityopen allclose all
- Key result
- Type:
- relative density
- Density:
- 1.2 other: dimensionless
- Temp.:
- 20 °C
- Remarks on result:
- other: D 20 /4
- Key result
- Type:
- density
- Density:
- 1.2 g/cm³
- Temp.:
- 20 °C
Any other information on results incl. tables
Experiment 1: 1.202 g/cm^3
Experiment 2: 1.200 g/cm^3
The individual measurements were obtained with an accuracy of < 0.02 g/cm^3.
Applicant's summary and conclusion
- Conclusions:
- The relative density D20/4 of the substance was determined to be 1.20.
- Executive summary:
The relative density of the solid substance was determined at 20°C using a gas comparison pycnometer in a GLP study according to EC A.3, OECD 109 and OPPTS 830.7300.
The relative density D20/4 was determined in duplicate obtaining a mean value of 1.20.
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