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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:
August 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Remarks:
Study performed according to international guidelines but not under GLP and with some lack of details (no report number, criteria of validity not indicated).
Reason / purpose for cross-reference:
reference to other study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
not specified
GLP compliance:
no
Type of method:
oscillating densitimeter
Key result
Type:
relative density
Density:
0.793
Temp.:
20 °C
Remarks on result:
other: relative density at 20 °C in reference with water at 4 °C

The obtained value is the mean result of three determinations at 20 ± 0.5 °C :

Assay No.

Density (kg/m3)

Relative density

1

792.5

0.7925

2

792.7

0.7927

3

792.6

0.7926

Mean ± standard deviation

792.6 ± 0.1

0.7926 ± 0.0001

Relative density = density (kg/m3) / 999.975 (kg/m3) (density of water at 4°C).

The average density at 20°C ± 0.5 °C of the test item is 793 ± 1 kg/m3.

Conclusions:
The relative density at 20°C/4°C of MYRCENE is 0.793 ± 0.001.
Executive summary:

The relative density of MYRCENE has been measured according to Guideline OECD 109 and to Method EU A.3.

Using an oscillating densimeter, the relative density of the test item at 20 °C was determined as 0.793 ± 0.001.

The result has been considered as reliable with restrictions because the test was performed in compliance with guidelines giving scientifically valid results but some details are lacking in the report (not GLP study, no report number, criteria of validity of the results not given).

Description of key information

The relative density of MYRCENE at 20°C is 0.793 ± 0.001.

Key value for chemical safety assessment

Relative density at 20C:
0.793

Additional information

The relative density of MYRCENE at 20°C in reference with water at 4°C was determined in a study performed according to OECD guideline 109 and EU method A3 using an oscillating densimeter. The value was considered with a reliability of 2 (reliable with restrictions) because the result is scientifically acceptable but not obtained under GLP and some details were lacking in the report. However the relative density is valid for key value and supported by consistent data from two handbooks