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Diss Factsheets

Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Sept. 2016 - Jan. 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
Oct. 2012
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Specific details on test material used for the study:
Date of Receipt in test facility: 29. Aug. 2016
Condition at Receipt: Room temperature, in proper conditions
Name: ROC-601
Batch no.: S23PSG0816
Appearance: white crystalline powder
Composition: 99.5% purity, see analytical certificate page 16
CAS No.: 439661-46-8
EINECS-No.: not yet assigned
Molecular formula: C20H26O5
Molecular weight: 346.42 g/mol
Purity: 99.5% by LC-UV
Homogeneity: uniform crystalline powder
Stability: H2O: unknown; EtOH: unknown; acetone: unknown; CH3CN: unknown; DMSO: unknown
Solubility: H2O: unknown; EtOH: unknown; acetone: unknown; CH3CN: unknown; DMSO: unknown
Production date: 29. June 2016
Expiry date: July 2017
Storage: Room Temperature (20 ± 5 °C), keep away from light
Dynamic viscosity of test material:
not applicable as material is solid
Key result
Type:
relative density
Density:
1.208
Temp.:
20 °C

Results of the single determinations with the respective error as well as the mean value and its standard deviation are presented in the following tables:

Results of Single Determinations:

Determination

Density in g/cm3

Error of Determ. in g/cm3

1

1.2098

0.0014

2

1.2066

0.0015

 

Results – Mean Values:

Parameter

Value

Unit

Standard Deviation

Relative Standard Deviation

Volume of Pycnometer

24.91

cm3

0.0019

0.01 %

Density of Test Item

1.2082

g/cm3

0.0023

0.19 %

Density of Test Item

1208.2

kg/m3

2.3

0.19 %

Relative Density of Test Item

1.2082

 

0.0023

-

Conclusions:
Using the pycnometer method, a density of 1.2082 ± 0.0015 g/cm3 at 20 ± 0.2 °C was measured.
Executive summary:

The density of the test item ROC-601 was calculated as 1.2082 ± 0.0015 g/cm3 at 20.0 ± 0.2 °C, which is the mean of two values. Precision of the value is given as maximal error of a single determination. Standard deviation was 0.0023 g/cm3, showing good correlation of the two determinations.

Therefore, the study is considered valid.

Description of key information

Using the pycnometer method, a density of 1.2082 ± 0.0015 g/cm3 at 20 ± 0.2 °C was measured.

Key value for chemical safety assessment

Relative density at 20C:
1.208

Additional information