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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 16 June 2005 to 11 August 2005

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

GLP compliance:

yes (incl. QA statement)

Type of method:

air comparison pycnometer (for solids)

Key result

Type:

relative density

Density:

1.39 g/cm³

Temp.:

20.3 °C

Table 1: Determination of the density of iron oxide isostearate:

Sample No.	Sample weight [g]	Measurement	p1 (sample) [psi]	p2 (sample) [psi]	V (sample) [cm3]	Density [g/cm3]
1	38.220	1 2 3	15.560 15.301 15.389	5.425 5.336 5.362	27.583 27.631 27.458	1.386 1.383 1.392
2	35.831	1 2 3	15.393 15.483 15.383	5.325 5.350 5.318	26.027 25.798 25.894	1.377 1.389 1.384
Mean:						1.385
Standard deviation±[g/cm3]						0.005

Conclusions:

The relative density of iron oxide isostearate was determined to be 1.39 at 20.3°C.

Executive summary:

The relative density of the test item was determined using a pycnometer method, according to OECD Guideline N° 109 under GLP-compliance.

The relative density of iron oxide isostearate was determined to be 1.39 at 20.3°C.

Description of key information

The relative density of iron oxide isostearate was determined to be 1.39 at 20.3°C.

Key value for chemical safety assessment

Relative density at 20C:

1.39

Additional information

A GLP experimental study, according to OECD guideline 109 and scored as Klimisch 1, is selected as a key study, giving a relative density at 1.39 at 20.3°C.