pymetrozine (ISO); (E)-4,5-dihydro-6-methyl-4-(3-pyridylmethyleneamino)-1,2,4-triazin-3(2H)-one

Density

Link to relevant study record(s)

Reference

Endpoint:

density, other

Remarks:

density of solids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

10 Mar 1995 to 25 Apr 1995

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

GLP compliance:

yes

Type of method:

pycnometer method

Key result

Type:

density

Density:

1 370 kg/m³

Temp.:

21 °C

Remarks on result:

other:

Remarks:

Deviation ± 30 kg/m3. The indicated error is based on an accuracy of 0.05E-06 m3 for the volume measurement.

PRIMARY RESULTS OF EXPERIMENTS

Sample preparation:

- Sample has been dried for 3 h at a temperature of 50 °C.

- Weight of sample before drying: 10.02 g

- Weight of sample after drying: 9.84 g

- Relative change: 1.8 %

Sample Weights:

- Weight of sample for analysis I: 4.001 g

- Weight of sample for analysis II: 5.675 g

Measured volumes:

Result for the volume of the test sphere (standard sphere of volume: 8.58E-06 m3):

V = 8.572E-6 m3

Table: Results of successive volume measurements

Sample	Analysis I (mL)	Analysis II (mL)
1.	3.32	4.50
2.	3.34	4.51
3.	3.33	4.52
mean	4.270	4.510
Blank	- 0.396	- 0.396
Effective volume	2.934	4.114

Conclusions:

The density of the test substance was 1.37E+03 kg/m3

Executive summary:

To determine the density of the test substance a study was performed using the pycnometer method according to EU Method A.3 in compliance with GLP. The density was determined to be 1.37E+03 kg/m3 at 21 °C.

Description of key information

1.37 E+03 kg/m3 at 21 °C, OECD 109, pycnometer method, Fueldner 1995

Key value for chemical safety assessment

Relative density at 20C:

1.37