2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, potassium sodium salt (1:?:?), coupled with diazotized 2-[(4-amino-5-methoxy-2-methylphenyl)sulfonyl]ethyl hydrogen sulfate

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Experiment start date - 18 July 2003; Experiment end date - 11 September 2003; Study completion date - 21 October 2003

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

no

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)

Specific details on test material used for the study:

Identity: FAT 40812/A
Batch: WP 8/03
Appearance: Solid, dark red-brownish powder
Expiration date: 23 April 2010
Storage: At room temperature at about 20 °C

Type:

relative density

Density:

1.766 kg/m³

Temp.:

19.5 °C

Conclusions:

The density of the test substance is 1766 kg/m³ at 19.5 °C.

Executive summary:

In a GLP compliant study, performed according to EC method A.3, the density of the test substance was determined. Air comparison pycnometer was used for this purpose. Based on the findings of this study, the relative density was determined to be 1766 kg/m³ at 19.5 °C.

Description of key information

In a GLP-compliant study, performed according to EC method A.3, the density of the test substance was determined. Air comparison pycnometer was used for this purpose. Based on the findings of this study, the relative density was determined to be 1766 kg/m^³ at 19.5 °C.

Key value for chemical safety assessment

Relative density at 20C:

1.766