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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:
2016-01-13 to 2016-02-10
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2012
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
2002
Deviations:
no
Qualifier:
according to
Guideline:
other: CIPAC Handbook Volume F MT 3 Specific Gravity, Density and Weight per Mililitre
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
1.002 other: dimensionsless
Temp.:
20 °C

The density of the test item was determined from eight replicates at 20 °C with the volume of the pycnometer (24.6931 cm3).

Table 1 Density of the test item

Empty pycnometer, g

Pycnometer with test item, g

Test item in the pycnometer, g

Density of the test item, g/cm^3

31.68127

31.68390

31.68169

31.68321

31.68829

31.68686

31.68610

31.68240

56.43080

56.43154

56.43194

56.43214

56.45014

56.43565

56.43808

56.43208

24.74953

24.74764

24.75025

24.74893

24.76185

24.74879

24.75198

24.74968

1.0023

1.0022

1.0023

1.0023

1.0028

1.0023

1.0024

1.0023

Mean

1.0023

Confidence Int. (95%)

0.00015

RSD (CV%)

0.018

Conclusions:
The relative density (D4^20) of the test item was determined to be 1.0023 ± 0.00015 (with 95 % confidence interval) at 20 °C.
Executive summary:

The purpose of this study was to determine the relative density of test item using pycnometer method according to EU Method A.3, OECD 109, and EPA OPPTS 830.7300. The density is calculated from the difference in weight between the full and empty pycnometer and its known volume. The relative density of the test item was determined to be 1.0023 ± 0.00015 (95 % confidence interval) at 20°C.

Description of key information

The relative density of the test item was determined to be 1.0023 ± 0.00015 (95 % confidence interval) at 20°C.

Key value for chemical safety assessment

Relative density at 20C:
1.002

Additional information

The purpose of this study was to determine the relative density of test item using pycnometer method according to EU Method A.3, OECD 109, and EPA OPPTS 830.7300. The density is calculated from the difference in weight between the full and empty pycnometer and its known volume. The relative density of the test item was determined to be 1.0023 ± 0.00015 (95 % confidence interval) at 20°C.