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Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From February 01, 2002 to February 04, 2002

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Deviations:

no

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

pycnometer method

Specific details on test material used for the study:

Purity 98.2%
White, coarse grained substance

Key result

Type:

relative density

Density:

0.935

Temp.:

20 °C

Measurements and calculations:

Relative density (D4 -20) at 20°C = Density (kg/m3) / 999.972 (kg/m3) (density of water at 4°C).

NB. The test was performed twice.

Conclusions:

Under the study conditions, the relative density of the test substance was determined to be 0.935 +/- 0.002.

Executive summary:

A study was conducted to determine the relative density of the test substance, C12-14 TMAC, according to OECD Guideline 109 and EU Method A.3. The pycnometer method was used and the test was perfomed twice. The relative density (D4 -20) was calculated from the masses of the pycnometer, the test substance and the liquid, as well as the known values of the liquid and the volume of the empty pycnomter. Under the study conditions, the relative density was determined to be 0.935 +/- 0.002 (Schneider, 2002).

Description of key information

Relative density was determined using a pycnometer method, according to OECD Guideline 109 and EU Method A.3 (Schneider, 2002).

Key value for chemical safety assessment

Relative density at 20C:

0.935