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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:
April 28, 2015
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)
GLP compliance:
no
Type of method:
pycnometer method
Type:
relative density
Density:
ca. 1.615
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 41.0872 g 39.7514 g
WHP 74.0619 g 72.6493 g
WH1 32.9747 g 32.8979 g
δHex 0.659 g/cm^3 0.658 g/cm^3 0.6585 g/cm^3
Vol Pic 50 cm^3 50 cm^3
WP2 41.0869 g 39.7508 g
WSP 46.6271 g 45.3841 g
WS 5.5402 g 5.6333 g
WSH 36.239 g 36.251 g
WH2 30.6988 g 30.6177 g
Vhex 46.549 cm^3 46.5344 cm^3
Vsubs  3.451 cm^3 3.4656 cm^3
δsubs  1.605 g/cm^3 1.626 g/cm^3 1.615 g/cm^3
Relative Density (δ20/4) 1.615
Standard deviation 0.0142
Relative standard deviation 0.88
Conclusions:
Relative density: 1.615 at 20 °C.
Executive summary:

Method

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

Result

Relative density: 1.615 at 20 °C.

Description of key information

Relative density: 1.615

Key value for chemical safety assessment

Relative density at 20C:
1.615

Additional information

Pycnometer method - OECD guideline 109