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Diss Factsheets

Physical & Chemical properties

Density

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 1992 - January 1993
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
Qualifier:
according to guideline
Guideline:
EU Method A.3 (Relative Density)
Deviations:
no
GLP compliance:
yes
Type of method:
pycnometer method
Type:
relative density
Density:
1.27
Temp.:
22 °C
Type:
relative density
Density:
1.268
Temp.:
22 °C

The relative density (D224) was measured as 1.269 (mean of 1.270 and 1.268).

Conclusions:
The relative density of 1,3-bis(3-methyl-2,5-dioxo-1H-pyrrolinylmethyl)benzene was determined as 1.269 (D22/4).
Executive summary:

The relative density of 1,3-bis(3-methyl-2,5-dioxo-1H-pyrrolinylmethyl)benzene was determined according OECD guideline 109, EU method A.3. The measurement relative to distilled water using a pykometer at 22 °C/ 4 °C showed a mean value of 1.269.

Description of key information

The relative density of 1,3-bis(3-methyl-2,5-dioxo-1H-pyrrolinylmethyl)benzene was determined as 1.269 (D22/4).

Key value for chemical safety assessment

Relative density at 20C:
1.269

Additional information