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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
November 29, 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
(CIPAC MT 3.2.1)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Remarks:
Gay-Lussac pycnometer
Key result
Type:
relative density
Density:
ca. 1.044 other: no dimension
Temp.:
20 °C
Key result
Type:
density
Density:
ca. 1.044 g/cm³
Temp.:
20 °C

Table No. 1: Results of density determination

Test No.

Mass of empty

pycnometer

mo

Mass of

pycnometer with

water,

m1

Mass of

pycnometer with

tested material

m

Density

[g]

[g]

[g]

[g/ml]

1

20.5053

45.6623

46.8107

1.0437

2

20.5055

45.6624

46.8110

1.0437

Average:1.044

Table No.2: Summary of results:

Test

Guideline and method

Findings

Relative density

EEC A.3

(CIPAC MT 3.2.1)

Absolute - 1.044 g/ml

Relative - 1.044

Conclusions:
The average of calculated relative density at 20°C temperature was 1.044.
Executive summary:

In accordance with OECD guideline EEC Method A3 and GLP study, the relative density was measured using Gay-Lussac pycnometer at temperature 20ºC. The density was calculated by dividing the mass of tested substance by its volume (pycnometer volume).Two measurement was carried out as the difference between result was less than 0.03 g/ml. The average of relative density at temperature 20ºC was 1.044 and of absolute density was 1.044 g/ml.

Description of key information

Key study: OECD guideline Method A3 and GLP study. The average of calculated relative density at 20°C temperature was 1.044.

Key value for chemical safety assessment

Relative density at 20C:
1.044

Additional information

Key study: In accordance with OECD guideline EEC Method A3 and GLP study, the relative density was measured using Gay-Lussac pycnometer at temperature 20ºC. Two measurement was carried out. The average of relative density at temperature 20ºC was 1.044 and of absolute density was 1.044 g/ml.