Trisodium 2,4-diamino-3,5-bis-[4-(2-sulfonatoethoxy)sulfonyl)phenylazo]benzenesulfonate

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

January 07,1997 to March 26,1997

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:

equivalent or similar to guideline

Guideline:

EU Method A.3 (Relative Density)

GLP compliance:

yes (incl. QA statement)

Type of method:

air comparison pycnometer (for solids)

Specific details on test material used for the study:

Batch No.: WP2/96
Expiration date: November 30, 2004
Appearance: Orange-brown, solid
Storage: At room temperature at about 20 °C

Type:

relative density

Density:

1.73 g/cm³

Temp.:

20.9 °C

The test was performed at a temperature of 20.9 °C ± 0.1 °C. The calibration procedure was performed in triplicate. The individual measurements.

The determination of the relative density of the test article was performed with two independent test article samples each at least measured in triplicate.

Determination of the Density of the Test Article

  

Sample no	Sample Weight [g]	Measurement	P1(sample) [psi]	p2(sample) [psi]	V(sample) [cm^3]	Density [g/cm^3]
1	24.197	1	16.810	5.497	13.951	1.734	1.734
		2	15.406	5.038	13.956	1.734
		3	16.180	5.291	13.951	1.734
2	30.165	1	16.337	5.433	17.481	1.726	1.723
		2	15.148	5.038	17.498	1.724
		3	16.168	5.378	17.528	1.721
Mean:                   1.729

 

Conclusions:

Relative density of FAT 45176/A is 1.73 g/cm3

Executive summary:

The determination of the relative density of FAT 45176/A was performed in accordance with the OECD 109 and EU A.3 guideline using a gas comparison pycnometer. The test was performed at a temperature of 20.9 °C ± 0.1 °C. The calibration procedure was performed in triplicate. The determination of the relative density of the test article was performed with two independent test article samples each at least measured in triplicate.

Based on the study results, the relative density of FAT 45'176/A was determined to be 1.73 g/cm³ at 20.9 °C .

Description of key information

Relative density of Reactive Orange 136 was 1.73 g/cm3

Key value for chemical safety assessment

Relative density at 20C:

1.73

Additional information

The determination of the relative density of FAT 45176/A was performed in accordance with the OECD 109 and EU A.3 guideline using a gas comparison pycnometer.The test was performed at a temperature of 20.9 °C ± 0.1 °C. The calibration procedure was performed in triplicate. The determination of the relative density of the test article was performed with two independent test article samples each at least measured in triplicate. Based on the study results, the relative density of FAT 45'176/A was determined to be 1.73 g/cm³at 20.9 °C .