Registration Dossier
Registration Dossier
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EC number: 201-128-1 | CAS number: 78-63-7
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- November 11, 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Well conducted study, under Internal management system and according to EU and OECD guidelines. Certificate of analysis included in the report.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- May 31, 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- July 27, 1995
- Deviations:
- no
- GLP compliance:
- no
- Remarks:
- Internal management system
- Type of method:
- oscillating densitimeter
- Type:
- relative density
- Density:
- 0.872 g/cm³
- Temp.:
- 20 °C
- Remarks on result:
- other: The standard deviation is ± 0.0001 g/cm3.
- Conclusions:
- The density of di-tert-butyl 1,1,4,4-tetramethylene diperoxide at 20°C is 0.872 g/cm3 (± 0.0001 g/cm3).
- Executive summary:
Thedensity of di-tert-butyl 1,1,4,4-tetramethylene 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 1,1,4,4-tetramethylene diperoxide at 20°C is 0.872 g/cm3 (± 0.0001 g/cm3).
Reference
Density test substance
Measured density of the test substance at 20°C:
Measurement 1: 0.8719 g/cm3
Measurement 2: 0.8720 g/cm3
Measurement 3: 0.8720 g/cm3
Mean value at 20°C is 0.872 g/cm3. The standard deviation is ± 0.0001 g/cm3.
Description of key information
The density of di-tert-butyl 1,1,4,4-tetramethylene diperoxide at 20°C is 0.872 g/cm3.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.872
Additional information
This figure is supported by:
78-63-7, Density, Pergan, Zielaskowski, 2008, SS
The density of di-tert-butyl 1,1,4,4-tetramethylene diperoxide at 20°C is 0.872 g/cm3.
78-63-7, Density, Mageli,1963,SS
The density of di-tert-butyl 1,1,4,4-tetramethylene diperoxide at 20°C is 0.873 g/cm3.
78-63-7, Density,ACD labs, SS
The density of di-tert-butyl 1,1,4,4-tetramethylene diperoxide at 20°C is 0.852 -0.972 g/cm3.
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