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Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
GLP compliance:
no
Other quality assurance:
other: ISO 9001
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
0.92 other: unitless
Temp.:
0 °C
Key result
Type:
relative density
Density:
0.915 other: unitless
Temp.:
5 °C
Key result
Type:
relative density
Density:
0.911 - 0.911 other: unitless
Temp.:
10 °C
Key result
Type:
relative density
Density:
0.907 other: unitless
Temp.:
15 °C
Key result
Type:
relative density
Density:
0.903 - 0.903 other: unitless
Temp.:
20 °C
Key result
Type:
relative density
Density:
0.899 other: unitless
Temp.:
25 °C
Key result
Type:
relative density
Density:
0.895 - 0.895
Temp.:
30 °C
Key result
Type:
relative density
Density:
0.891 other: unitless
Temp.:
35 °C
Key result
Type:
relative density
Density:
0.887 other: unitless
Temp.:
40 °C
Conclusions:
The relative density of Polymethylaluminoxane 13 wt % Al in toluene is determined at different temperatures. The results of the relative density at the different temperatures show a linear regression with the equation:

Relative density= -0.000815x+0.919413

Using this equation the relative density at the temperature of 20°C is calculated to be 0.903113.
Executive summary:

Using this equation the relative density at the temperature of 20°C is calculated to be 0.903113.

Description of key information

Using this equation the relative density at the temperature of 20°C is calculated to be 0.903113.

Key value for chemical safety assessment

Relative density at 20C:
0.903

Additional information