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relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
November 30, 2016
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
OECD Guideline 109 (Density of Liquids and Solids)
GLP compliance:
Type of method:
pycnometer method
relative density
ca. 1.399
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 41.653 g 42.7116 g
WHP 74.578 g 75.6366 g
WH1 32.925 g 32.925 g
δHex 0.659 g/cm^3 0.659 g/cm^3 0.659 g/cm^3
Vol Pic 50 cm^3 50 cm^3
WP2 41.6527 g 42.7114 g
WSP 46.6124 g 47.6513 g
WS 4.9597 g 4.9399 g
WSH 35.5445 g 35.5453 g
WH2 30.5848 g 30.6054 g
Vhex 46.4462 cm^3 46.4774 cm^3
Vsubs  3.5538 cm^3 3.5226 cm^3
δsubs  1.396 g/cm^3 1.402 g/cm^3 1.399 g/cm^3
Relative Density (δ20/4) 1.399
Standard deviation 0.0048
Relative standard deviation 0.34
Relative density: 1.399 at 20 °C
Executive summary:


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


Relative density: 1.399 at 20 °C

Description of key information

Relative density: 1.399

Key value for chemical safety assessment

Additional information

Pycnometer method - OECD 109