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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
23 - 25 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:
EU Method A.3 (Relative Density)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
2012
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method

Test material

Constituent 1
Chemical structure
Reference substance name:
2-phenylimidazole
EC Number:
211-581-7
EC Name:
2-phenylimidazole
Cas Number:
670-96-2
Molecular formula:
C9H8N2
IUPAC Name:
2-phenyl-1H-imidazole
Test material form:
solid: flakes

Results and discussion

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

Any other information on results incl. tables

Pycnometer code

x (g)

y (g)

WE

153

13.9111

24.3053

10.3942

160

13.5723

23.5620

9.9897

x: empty pycnometer (g) = W

y: pycnometer (g) + water (g)

WE: water equivalent at 4 °C = (y-x)

 

Pycnometer code

153

160

Pycnometer volume (cm³)

10.410

9.990

W (g)

13.9111

13.5723

Sample weight (g)

1.4621

1.4765

X (g)

15.3732

15.0488

Y (g)

24.5305

23.7805

X-W

1.4621

1.4765

Y-X

9.1573

8.7317

Relative density at 20 °C

1.182

1.174

Average

1.178

Agreement - 2 meas.

0.71

 

The relative density of the test item at 20 °C proved to be 1.178.

Applicant's summary and conclusion