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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:
Janury 27, 2016
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Deviations:
no
GLP compliance:
no
Type of method:
pycnometer method
Type:
relative density
Density:
ca. 1.177
Temp.:
20 °C

Absolute density of a substance (δ) is calculated as:

δ subs = WS / V subs = WS / (V pyc – V hex ) = WS / (V pyc – WH2 / δ Hex ) = WS / (V pyc – WH 2 * V pyc / WH1 )

Relative density (D204) is calculated as: δ subs / 0.999973

1st test 2nd test Media
WP1 41.958 g 43.2599 g
WHP 75.1105 g 76.4153 g
WH1 33.1525 g 33.1554 g
δHex 0.663 g/cm^3 0.663 g/cm^3 0.663 g/cm^3
Vol Pic 50 cm^3 50 cm^3
WP2 41.9587 g 43.2605 g
WSP 45.0867 g 46.3513 g
WS 3.128 g 3.0908 g
WSH 34.5047 g 34.5189 g
WH2 31.3767 g 31.4281 g
Vhex 47.3218 cm^3 47.3951 cm^3
Vsubs  2.6782 cm^3 2.6049 cm^3
δsubs  1.168 g/cm^3 1.187 g/cm^3 1.177 g/cm^3
Relative Density (δ20/4) 1.177
Standard deviation 0.0132
Relative standard deviation 1.12
Conclusions:
Relative density: 1.117 at 20 °C.
Executive summary:

Method

Relative density was determined by means of pycnometer method as per recommendations of OECD 109. Density was calculated from the difference in weight between the full and empty pycnometer and its volume.

Result

Relative density: 1.117 at 20 °C.

Description of key information

Relative density: 1.177

Key value for chemical safety assessment

Relative density at 20C:
1.177

Additional information

Pycnometer method - OECD 109