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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2005-10-06 - 2006-01-20
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
GLP compliance:
yes
Type of method:
pycnometer method
Specific details on test material used for the study:
Name: N-(2-Nitrophenyl)phosphoric triamide
Chemical name: 7V-(2-Nitrophenyl)phosphoric triamide
Code of the Sponsor: P 101/04
Formula: C6H9N4O3P
Description: amber-coloured crystalline solid with slight odour like bitter almond
Batch No.: S-4
Purity: > 99 %
Solubility in water: approximately 2 g/1
pH value: 6.3 (1 % Suspension in water)
Key result
Type:
relative density
Density:
1.558 g/cm³
Temp.:
20 °C

Volumes and densities of the test item

run No.

volume cm3

density g/cm3

16

29.6397

1.5586

17

29.6502

1.5580

18

29.6563

1.5577

19

29.6529

1.5579

20

29.6537

1.5579

mean value:

 

1.558

Conclusions:
The density of the test item was measured at 20 °C by use of a gas pycnometer according to EU method A.3 . The relative density of the solid test item is 1.558.
Executive summary:

The density of the test item was measured at 20°C by use of a gas pycnometer according to EU method A.3. The relative density of the solid test item is 1.558.


Description of key information

The density of N-(2-Nitrophenyl)phosphoric triamide  was measured at 20°C by use of a gas pycnometer according to EU method A.3. The relative density of the solid test item is 1.558.

Key value for chemical safety assessment

Relative density at 20C:
1.558

Additional information

The relative density of N-(2-Nitrophenyl)phosphoric triamide is 1.558.