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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18 - 23 Oct 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
October 2, 2012
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
May 31, 2008
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method

Test material

1
Chemical structure
Reference substance name:
2-heptadecyl-1H-imidazole
EC Number:
245-589-7
EC Name:
2-heptadecyl-1H-imidazole
Cas Number:
23328-87-2
Molecular formula:
C20H38N2
IUPAC Name:
2-heptadecyl-1H-imidazole

Results and discussion

Density
Key result
Type:
relative density
Density:
0.496 other: relative density is dimensionless
Temp.:
20 °C

Any other information on results incl. tables

Pycnometer code

x (g)

y (g)

WE

153

13.9064

24.2923

10.3859

06.04.76

17.4182

27.6242

10.2060

x: empty pycnometer (g) = W

y: pycnometer (g) + water (g)

WE: water equivalent at 4 °C = (y-x)

 

Pycnometer code

153

06.04.76

Pycnometer volume (cm³)

10.410

10.230

W (g)

13.9064

17.4182

Sample weight (g)

1.4900

1.4670

X (g)

15.3964

18.8852

Y (g)

22.7756

26.1365

X-W

1.4900

1.4670

Y-X

7.3792

7.2513

Relative density at 20 °C

0.496

0.496

Average

0.496

Agreement - 2 meas.

0.19

 

The relative density of the test item at 20 °C proved to be 0.496.

Applicant's summary and conclusion