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Diss Factsheets

Physical & Chemical properties

Density

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Link to relevant study record(s)

Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
July 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: ASTM D 1298-85
Version / remarks:
re-approved in 1990
Deviations:
no
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
GLP compliance:
no
Type of method:
buoyancy method - hydrometer
Specific details on test material used for the study:
As the sample is exclusively produced and placed on the market in mineral oil, which cannot be removed from the product sufficiently, a pure sample was manufactured by using a volatile hydrocarbon solvent that could be removed afterwards. Thus, an almost pure sample was derived that was used for testing.
Type:
relative density
Remarks:
D20/4
Density:
1.345
Temp.:
20 °C
Remarks on result:
other: measured at 20 °C and compared to density of water at 4 °C
Conclusions:
The relative density (D 20/4) of naphthenic acids, bismuth salts was determined by hdrometer method and found being 1.3450.
Executive summary:

The relative density (D 20/4) of naphthenic acids, bismuth salts was determined according to ASTM D 1298 -85 (Standard Practice for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method, reapproved 1990) which is equivalent/similar to the hydrometer method in OECD 109 method. The relative density determined at 20 °C was 1.3450 (compared to water at 4 °C).

Description of key information

The relative density (D 20/4) of naphthenic acids, bismuth salts was determined according to ASTM D 1298 -85 (Standard Practice for Density, Relative Density (Specific Gravity), or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method, reapproved 1990) which is equivalent/similar to the hydrometer method in OECD 109 method. The relative density determined at 20 °C was 1.3450 (compared to water at 4 °C)

Key value for chemical safety assessment

Relative density at 20C:
1.345

Additional information