Registration Dossier

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
26 Mar - 19 Apr 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report Date:
2018

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
adopted in March 04, 2016
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
adopted in October 2, 2012
Qualifier:
according to
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Version / remarks:
adopted in June 2002
GLP compliance:
yes
Type of method:
pycnometer method

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
liquid
Specific details on test material used for the study:
Test item storage:
At room temperature protected from light

Results and discussion

Density
Type:
relative density
Density:
0.987 other: relative density has no units
Temp.:
20 °C

Any other information on results incl. tables

Table 1 shows the determined volume of the pycnometer. The results of the test for the determination of the density of the test item are given in Table 2.

The individual measurements were obtained with a deviation of ≤ 0.01 g/cm3. According to the guideline, the density of the test item is given as the mean value.

Table 1: Volume of the Pycnometer

 

Test 1

Test 2

Mean

Mass empty pycnometer (A)

30.4762 g

30.4764 g

30.4763 g

Mass pycnometer with water (B)

40.1115 g

40.1102 g

 

Volume of the pycnometer

9.6527 cm3

9.6512 cm3

9.6520 cm3

 

Table 2: Density of the Test Item

 

Test 1

Test 2

Mean

Mass pycnometer with test item (C)

40.0058 g

40.0072 g

 

Density

0.9873 g/cm3

0.9875 g/cm3

0.987 g/cm3

 

Conclusion

A pycnometer was used for the determination of the density and relative density of N-ethylcaprolactam.

The density of the test item at 20°C was 0.987 g/cm3 (0.987 × 103 kg/m3).

The relative density was 0.987.

Applicant's summary and conclusion