Registration Dossier
Registration Dossier
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EC number: 229-782-3 | CAS number: 6731-36-8
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- September 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well conducted study, according to EU guideline, under the Internal Management system. Certificate of analys is present in the report.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- Adopted July 27, 1995
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- May 31, 2008
- GLP compliance:
- no
- Remarks:
- Internal Management system
- Type of method:
- oscillating densitimeter
- Type:
- density
- Density:
- 0.91 g/cm³
- Temp.:
- 20 °C
- Remarks on result:
- other: The standard deviation is ± 0.0002 g/cm3.
- Conclusions:
- The density of di-tert-butyl 3,3,5-trimethylcyclohexylidene diperoxide at 20°C is 0.910 g/cm3.
- Executive summary:
The density of di-tert-butyl 3,3,5-trimethylcyclohexylidene diperoxide was determined according to EC Regulation No 440/2008, Guideline A.3 and according to OECD Guideline 109 and in accordance with European Chemicals Agency (ECHA), Guidance on information requirements and chemical safety assessment, Chapter R.7a, Endpoint specific guidance, May 2008.
The density of di-tert-butyl 3,3,5-trimethylcyclohexylidene diperoxide at 20°C is 0.910 g/cm3. (± 0.0002 g/cm3).
Reference
Calibration
The measured density of the calibration liquids at 20°C is mentioned in table 1. Also the deviation from the literature values is mentioned. The mean value for both liquids agrees within ± 0.001 g/cm3(accuracy range) with the literature values.
Table : measured density of calibration liquids at 20°C
Calibration liquid |
Measurement |
Density [g/cm3] |
Mean density value [g/cm3] |
Deviation from literature value [g/cm3] |
Demineralized water |
1 |
0.9983 |
0.9983 |
0.0001 |
2 |
0.9983 |
|||
3 |
0.9983 |
|||
Ethanol |
1 |
0.7900 |
0.7899 |
0.0006 |
2 |
0.7899 |
|||
3 |
0.7899 |
Density test substance
Measured density of the test substance at 20°C:
- measurement 1: 0.9095 g/cm3
- measurement 2: 0.9098 g/cm3
- measurement 3: 0.9098 g/cm3
Mean value at 20°C is 0.910 g/cm3. The standard deviation is ± 0.0002 g/cm3.
Description of key information
The density of di-tert-butyl 3,3,5-trimethylcyclohexylidene diperoxide at 20°C is 0.910 g/cm3.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.91
Additional information
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