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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 Dec 2018 to 07 Mar 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
March 04, 2016
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
October 2, 2012
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
June 2002
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
air comparison pycnometer (for solids)
Specific details on test material used for the study:
Appearance: Off-white powder
Purity/Composition: 98.8%
Test item storage: At room temperature
Key result
Type:
density
Density:
1.29 g/cm³
Temp.:
20 °C
Key result
Type:
relative density
Density:
1.29 other: dimensionless
Temp.:
20 °C

The results of the tests on the determination of the density of the test item are given in Table 1.

The individual measurements were obtained with an accuracy of < 0.02 g/cm3.  According to the guideline, the density of the test item is given as the mean value.

Table 1       

Density of the Test Item

  Test 1 Test 2 Mean
Density [g/cm3] 1.29 1.288 1.29
Conclusions:
A gas comparison stereopycnometer was used for the determination of the density and relative density of 2-Benzoylbenzoic acid.

The density of the test item at 20ºC was 1.29 g/cm3 (1290 kg/m3).

The relative density was 1.29.
Executive summary:

In this guideline (OECD 109) study conducted with GLP certification, the test material (EC 201-612 -2) relative density was determined to be 1.29.

Description of key information

Study conducted to recognised testing guidelines with GLP certification.

Key value for chemical safety assessment

Relative density at 20C:
1.29

Additional information