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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:
14 Aug 2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Version / remarks:
adopted in 2012
Qualifier:
according to
Guideline:
EU Method A.3 (Relative Density)
Version / remarks:
adopted in 2008
GLP compliance:
no
Type of method:
other: gas comparison pycnometer (for solids)
Specific details on test material used for the study:
Storage conditions: ambient temperature (10 to 30 °C), dry
Type:
relative density
Density:
1.39 other: dimensionless
Temp.:
20.5 °C

Results
Two test series with different weights were performed at ambient temperature (20.5 °C).

Table 1 – 1stTest series results

Weight: 1.0834 g

p1 [psi]

p2 [psi]

Volume [cm3]

DensityρPR[g/cm3]

1stmeasurement

19.543

10.538

0.7754

1.3973

2ndmeasurement

19.554

10.545

0.7738

1.4001

3rdmeasurement

19.584

10.561

0.7741

1.3996

Mean

0.77

1.40

 

Table 2 – 2ndTest series results

Weight: 1.2158 g

p1 [psi]

p2 [psi]

Volume [cm3]

DensityρPR[g/cm3]

1stmeasurement

19.516

10.451

0.8809

1.3802

2ndmeasurement

19.528

10.456

0.8829

1.3770

3rdmeasurement

19.558

10.473

0.8816

1.3791

Mean

0.88

1.38

 

The mean density is 1.39 g/cm3.

Conclusion: The relative density at ambient temperature was determined to be: D4R= 1.39

Executive summary:

The relative density was determined with a Micrometrics MultiVolume Pycnometer according to OECD guideline 109. The relative density compared to water at 4°C is 1.39 g/cm3.

Description of key information

Relative density: D4R= 1.39 at 20.5 °C (OECD 109, gas comparison pycnometer)

Key value for chemical safety assessment

Relative density at 20C:
1.39

Additional information