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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:
04/28/2017 - 08/22/2017
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)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
GLP compliance:
yes
Type of method:
pycnometer method
Key result
Type:
relative density
Density:
ca. 0.972 other:
Temp.:
20 °C

TABLE 1: Calculation of Density

 

Bath Temperature (°C): 20 °C

Calibration of Specific Gravity Bottle (Pycnometer)

Repli-cation

Weight (g) of Empty Specific Gravity Bottle

x

Weight (g) of Specific Gravity Bottle with Water

y

Water Equivalence

WE = y – x

Capacity (mL) of Bottle V20= 1.0018 (y-x)

1

19.8062

29.6694

9.8632

9.8810

2

20.0109

29.9588

9.9479

9.9658

3

21.4493

31.3500

9.9007

9.9185

Specific Gravity and Density (g/mL) of test item

Repli-cation

Weight (g) of Specific Gravity Bottle with Liquid

y’

Weight (g) of Liquid

y’-x

Apparent Specific gravity

Density (g/mL)

1

29.3933

9.5871

0.9720

0.9703

2

29.6818

9.6709

0.9722

0.9704

3

31.0794

9.6301

0.9727

0.9709

Mean

0.9723

0.9705

SD

0.0004

0.0003

TABLE 2: Calculation of True Specific Gravity of FRET 12-0492

 

Bath Temperature (°C): 20 °C

ApparentDensity, True Density (g/mL) andTrue Specific Gravity

Repli-cation

Apparent Specific Gravity

Apparent Density

(g/mL)

True Density

(g/mL)

True Specific

Gravity

I

0.9720

0.9691

0.9703

0.9720

II

0.9722

0.9693

0.9705

0.9722

III

0.9727

0.9698

0.9710

0.9727

Mean

0.9694

0.9706

0.9723

Standard Deviation

0.0004

0.0004

0.0004

True Specific Gravity with Buoyancy Correction

Replication

True Specific Gravity

Buoyancy Correction

True Specific Gravitywith Buoyancy Correction

Mean

Standard Deviation

I

0.9720

0.0011

0.9731

0.9734

0.0004

II

0.9722

0.0011

0.9733

III

0.9727

0.0011

0.9738


 

Conclusions:
The mean true specific gravity of Fret 12-0492 was 0.9723 ± 0.0004 at 20 °C.
The mean true specific gravity of Fret 12-0492 with buoyancy correction was 0.9734 ± 0.0004 at 20 °C.
The mean true density of Fret 12-0492 was 0.9706 ± 0.0004 g/mL at 20 °C.

Executive summary:

The mean true specific gravity of FRET 12-0492 was 0.9723 ± 0.0004 at 20 °C.

Description of key information

The mean true specific gravity of FRET 12-0492 was 0.9723 ± 0.0004 at 20 °C.

Key value for chemical safety assessment

Relative density at 20C:
0.972

Additional information