2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, coupled with 3-aminophenol, diazotized 5-amino-2-[(4-aminophenyl)amino]benzenesulfonic acid and diazotized benzenamine, sodium salts

Density

Link to relevant study record(s)

Reference

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

May from 23 to 28, 1991

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

test procedure in accordance with generally accepted scientific standards and described in sufficient detail

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

yes

Remarks:

temperature was 22 °C, instead of 20 °C.

GLP compliance:

yes

Type of method:

air comparison pycnometer (for solids)

Type:

relative density

Density:

1.54

Temp.:

22 °C

Results of successive measurements:

	Analysis I	Analysis II
1.	5.60 ml	4.24 ml
2.	5.62 ml	4.22 ml
3.	5.63 ml	4.23 ml
blank	0.342 ml	0.342 ml
effective volume	5.275 ml	3.888 ml

Conclusions:

Relative density: 1.54 at 22 °C

Executive summary:

The relative density of the substance was tested by using the air comparison pycnometer method, according to the EU Method A.3. The substance was dried prior to the duplicate volumetric measurements.

Conclusion

Relative density is 1.54 at 22 °C.

Description of key information

1.54 at 22 °C

Additional information

EU Method A.3 - air comparison pycnometer (for solids)