Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: conducted to OECD/EC guidelines with GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report Date:
2008

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
yes (incl. certificate)
Type of method:
air comparison pycnometer (for solids)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Hydroxyphosponoaceic acid, trisodium salt (TK13061/2)
- Physical state: Solid (white powder)
- Lot/batch No.: LIC 613/04
- Storage condition of test material: Room temperature in the dark

Results and discussion

Density
Type:
relative density
Density:
2.31 kg/m³
Temp.:
22.2 °C

Any other information on results incl. tables

Pressure readings, calculated volumes and density values obtained for Trisodium [carboxy(oxido)methyl]phosphonate:
Determination P1 P2 Volume (cm3) Density (kg/m3)
A 17.041 6.878 14.832 2.32 x 10^3
B 17.080 6.906 15.232 2.31 x 10^3
P1 = Pressure reading after pressurising reference cell P2 = Pressure reading after switching to the sample cell Volume = volume of test sample

Applicant's summary and conclusion

Conclusions:
The relative density of Trisodium [carboxy(oxido)methyl]phosphonate has been determined to be 2.31kg/m3 at 22.2 +/- 0.5 C.