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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:
from 2017-10-04 to 2017-10-26
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
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: CIPAC Handbook Volume F MT 3 Specific Gravity, Density, and Weight per Millilitre
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
1.097 other: dimensionless
Temp.:
20 °C
Type:
density
Density:
1.097 g/cm³
Temp.:
20 °C

Table 1. Calibration of the pycnometer

Measured data

Empty pycnometer, g

Pycnometer with water, g

1

31.68431

55.90689

2

31.68490

55.90572

3

31.68505

55.90708

4

31.68491

55.90417

5

31.68488

55.90835

Density of water at 20 °C, g/cm3:

0.99823

-

Volume of pycnometer, cm3:

24.2646

-

The density of the test item was determined from five replicates at 20 °C with the above determined volume of the pycnometer (24.2646 cm3).

Table 2. Density of the test item

Empty pycnometer, g

Pycnometer with test item, g

Test item in the pycnometer, g

Density of the test item, g/cm3

31.68479

58.28679

26.60200

1.0963

31.68494

58.28743

26.60249

1.0964

31.68462

58.28129

26.59667

1.0961

31.68465

58.31203

26.62738

1.0974

31.68479

58.31296

26.62817

1.0974

Mean:

1.0967

Confidence int. (95 %):

0.00078

RSD (CV %):

0.057

The relative density of the test item was determined to be 1.0967 ± 0.00078 (with 95 % confidence interval) at 20 °C.

Conclusions:
The relative density of the test item was determined to be 1.0967 at 20 °C.
Executive summary:

A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3 and OPPTS 830.7300 to determine the relative density of the test item. The density was determined in five independent determinations. Using the pycnometer method the density was determined to be 1.0967 ± 0.00078 g/cm3 at 20 ± 0.5 °C and the relative density 1.0967 with respect to water at 4 °C, respectively.

Description of key information

The relative density of the test item was determined to be 1.0967 at 20 °C.

Key value for chemical safety assessment

Relative density at 20C:
1.097

Additional information

A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3 and OPPTS 830.7300 to determine the relative density of the test item. The density was determined in five independent determinations. Using the pycnometer method the density was determined to be 1.0967 ± 0.00078 g/cm3 at 20 ± 0.5 °C and the relative density 1.0967 with respect to water at 4 °C, respectively.