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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-06-29
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Dynamic viscosity of test material:
Not applicable.
Key result
Type:
relative density
Density:
1.131
Temp.:
20 °C

The density of the test item was determined from five replicates at 20 °C. The results are given in Table 1.

Table 1: Results of the density measurements

Sample
number

Sample

mass
(g)

Sample

volume
(cm³)

Density of
test item
(g/cm³)
1 1.3412 1.2003 1.1174
2 1.2718 1.1186 1.1369
3 1.2608 1.1144 1.1313
4 1.2452 1.0898 1.1426
5 1.1936 1.0580 1.1281
Mean:  1.1313
Confidence interval (95 %): 0.01182
RSD (CV %) 0.8
Conclusions:
The relative density of the test item was determined to be 1.1313 ± 0.01182 (with 95 % confidence interval) at 20 °C.
Executive summary:

A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3 and OPPTS 830.7300 in order to determine the relative density of the test item by using the pycnometer method. The density tester determined automatically the volume of sample and the density was calculated. Five parallel tests were performed at 20 ± 0.5 °C. The relative density of the test item was determined to be 1.1313 ± 0.01182 (with 95 % confidence interval) at 20 °C.

Description of key information

The relative density of the test item was determined to be 1.1313 ± 0.01182 (with 95 % confidence interval) at 20 °C.

Key value for chemical safety assessment

Relative density at 20C:
1.131

Additional information

A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3 and OPPTS 830.7300 in order to determine the relative density of the test item by using the pycnometer method. The density tester determined automatically the volume of sample and the density was calculated. Five parallel tests were performed at 20 ± 0.5 °C. The relative density of the test item was determined to be 1.1313 ± 0.01182 (with 95 % confidence interval) at 20 °C (reference 4.4-1).