1-Octadecanamine, reaction products with 1,1'-methylenebis[4-isocyanatobenzene]

Density

Administrative data

Endpoint:

relative density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Between 16 July 2012 and 26 November 2012.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: see 'Remark'

Remarks:

Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2012

Report date:

2012

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.3 (Relative Density)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Deviations:

no

GLP compliance:

yes

Type of method:

pycnometer method

Test material

Test material information

Constituent 1

Reference substance name:

PU Thickener

IUPAC Name:

PU Thickener

Test material form:

other: Beige solid pieces

Details on test material:

Identification: PU Thickener
Description: Beige solid pieces
Purity: > 98%
Expiry / Retest Date: 14 June 2015
Storage Conditions: Room temperature, in the dark

Results and discussion

Density

Type:

relative density

Density:

1.03

Temp.:

22.4 °C

Any other information on results incl. tables

Results

Calibration

The pressure readings and the calculated volume for the reference and sample cells are shown in the following table:

 

Table 3.3

 

Determination	P1	P2	P3	P4	Reference Cell Volume (cm^3)	Sample Cell Volume (cm^3)
1	17.166	6.496	17.143	8.491	90.699	148.978
2	17.078	6.469	17.038	8.441	91.005	149.246
3	17.189	6.514	17.061	8.455	91.089	149.275

Mean Reference Cell Volume:                                  90.9 cm³
Certified Reference Cell Volume:                            91.0 ± 1.0 cm³

Mean Sample Cell Volume:                                      149.2 cm³
Certified Sample Cell Volume:                                149.2 ± 1.0 cm³

 

Sample

The pressure readings, calculated volumes and density values obtained for the test item are shown in the following table:

 

Table 3.4

 

Determination	Test	P1(sample)	P2(sample)	Volume (cm^3)	Density (kg/m^3)	Mean Density (kg/m^3)
1	A	17.300	7.306	24.780	1.03 x 10^3	1.03 x 10^3
	B	17.093	7.222	24.882	1.03 x 10^3
	C	17.103	7.225	24.845	1.03 x 10^3
2	A	17.138	7.423	30.158	1.03 x 10^3	1.03 x 10^3
	B	17.121	7.420	30.282	1.03 x 10^3
	C	17.027	7.379	30.274	1.03 x 10^3

 

Temperature:              22.4 ± 0.5 ºC
Mean density:            1.03 x 10³ kg/m³
Relative density:        1.03

Applicant's summary and conclusion

Conclusions:

The relative density of the test item has been determined to be 1.03 at 22.4 ± 0.5 °C.

Executive summary:

The determination was carried out using a gas comparison pycnometer and a procedure designed to be compatible with Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 109 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.

Conclusion

The relative density of the test item has been determined to be 1.03 at 22.4 ± 0.5 °C.