Registration Dossier
Registration Dossier
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EC number: 249-200-1 | CAS number: 28754-28-1
Density
Administrative data
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- August 25, 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- air comparison pycnometer (for solids)
Test material
- Reference substance name:
- 3-(5-chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone
- EC Number:
- 252-722-2
- EC Name:
- 3-(5-chlorobenzoxazol-2-yl)-7-(diethylamino)-2-benzopyrone
- Cas Number:
- 35773-43-4
- Molecular formula:
- C20H17ClN2O3
- IUPAC Name:
- 3-(5-chloro-1,3-benzoxazol-2-yl)-7-(diethylamino)-2H-chromen-2-one
- Test material form:
- solid
Constituent 1
Results and discussion
Density
- Key result
- Type:
- relative density
- Density:
- 1.44
- Temp.:
- 20 °C
Any other information on results incl. tables
Two test series were performed at 20.0 °C. The results are summarized in Table1.
Table1: Results of the two tests
Measurement |
Density / g / cm3 |
1 |
1.4454 |
2 |
1.4345 |
Mean |
1.4400 |
Mean density for the two test series: 1.44g/cm3
Relative density (compared to water at 4 °C):
D420= 1.44
Applicant's summary and conclusion
- Executive summary:
The relative density of the test item at 20 °C (compared to water at 4 °C) according to the European Commission Regulation (EC) No. 440/2008 and in the OECD 109 was determined to be:
D420 = 1.44
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