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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Density

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
30 November 2016 - 16 August 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
The study was conducted according to an internationally recognised method. Test substance is adequately characterised. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2012
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
2002
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Remarks:
UK GLP compliance programme (inspected on 05 July 2016 / signed on 28 Octobre 2016)
Type of method:
air comparison pycnometer (for solids)
Key result
Type:
density
Density:
ca. 976 kg/m³
Temp.:
20 °C
Key result
Type:
relative density
Density:
ca. 0.976 other: unitless
Temp.:
20 °C

Results

Calibration:

Mean reference cell volume: 91.100 cm3

Certified reference cell volume: 90.953 ± 1.00 cm3

Mean sample cell volume: 149.284 cm3

Certified sample cell volume: 149.225 ± 1.00 cm3

The reference and sample cell volumes were determined to be within the certified values.

Raw data from calibration procedure is available in the experimental report.

Sample:

Temperature: 20.0 ± 0.5 ºC

Mean density: 976 kg/m3

Relative density: 0.976

Raw data of the sample density determinations is available in the experimental report.

Discussion

Two determinations were performed to ensure a reproducibility of less than ± 20 kg/m3 was obtained.

Conclusions:
The density of the test item was determined to be 976 kg/m3 at 20.0 ± 0.5 ºC. The corresponding relative density was calculated to be 0.976.Less dense than water.
Executive summary:

The density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, using gas comparison pycnometer method.

Two determinations were performed and the mean value was retained.

This result was then converted to relative density towards water at 4 °C.

Mean density: 0976 kg/m3at 20.0 ± 0.5 °C

Mean relative density (D20/20) : 0.976

Description of key information

The density of the test item was determined to be 976 kg/m3 at 20.0 ± 0.5 ºC. The corresponding relative density was calculated to be 0.976.

Less dense than water.

Key value for chemical safety assessment

Relative density at 20C:
0.976

Additional information

A fully reliable experimental study, conducted under GLP according to OECD 109 /EU A3 guideline, using gas comparison pycnometer method, is available. It is considered as a key study, and the result is retained as key data.