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Physical & Chemical properties

Density

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Reference
Endpoint:
relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
according to guideline
Guideline:
other: Innospec SOP TM007 “Relative Density”, Revision: 1.
Version / remarks:
The testing was conducted in accordance with Innospec SOP TM007 “Relative Density”,
Revision: 1.
Principles of method if other than guideline:
The testing was conducted in accordance with Innospec SOP TM007 “Relative Density”, Revision: 1.
GLP compliance:
no
Type of method:
pycnometer method
Specific details on test material used for the study:
The commercial product containing the "substance", Quaternary ammonium compounds, di-C12-18-alkyldimethyl, nitrites, CAS Number 71487 -01 -9, EC Number 275 -532 -1, in organic solvents, methanol and isopropanol (ca. 32%) was utlised for this study. Prior to this study being undertaken, these solvents were removed by, firstly, leaving the sample under a stream of nitrogen to remove the majority of the solvent(s) and, secondly, evaporating the remaining residual solvent(s) under vacuum at 60 degress C to constant dried weight of the test item. After solvent removal the substance was identified to be a yellow viscous liquid / wax like solid.
Key result
Type:
relative density
Density:
0.874 g/cm³
Temp.:
25 °C
Conclusions:
The average density for the two results obtained for the Test Item (Quaternary ammonium compounds, di-C12-18-alkyldimethyl, nitrites, CAS Number 71487-01-9), EC Number 275-532-1) was determined to be 0.8743 g/cm3.
Executive summary:

The relative density of the test item (Quaternary ammonium compounds, di-C12-18-alkyldimethyl, nitrites, CAS Number 71487-01-9, EC Number 275-532-1) was investigated in a study conducted in accordance with Innospec SOP TM007 “Relative Density”, Revision: 1.

This study is assigned a reliability score of 1 in accordance with the criteria for assessing data quality set forth by Klimisch et al (1997).

A pycnometer cup was used for the determination of the density of the Test Item. The testing was performed in duplicate with different weights of the test item and the average density for the two results obtained was determined to be 0.8743 g/cm3.

Description of key information

The relative density of the test item (Quaternary ammonium compounds, di-C12-18-alkyldimethyl, nitrites, CAS Number 71487 -01 -9, EC Number 275 -532 -1) was investigated in a study conducted in accordance with Innospec SOP TM007 “Relative Density”, Revision: 1.

This study is assigned a reliability score of 1 in accordance with the criteria for assessing data quality set forth by Klimisch et al (1997).

A pycnometer cup was used for the determination of the density of the Test Item. The testing was performed in duplicate with different weights of the test item and the average density for the two results obtained was determined to be 0.8743 g/cm3.

Key value for chemical safety assessment

Relative density at 20C:
0.874

Additional information

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