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relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
January 27, 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. 1.56
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 42.2883 g 42.571 g
WHP 75.4258 g 75.6388 g
WH1 33.1375 g 33.0678 g
δHex 0.663 g/cm^3 0.661 g/cm^3 0.662 g/cm^3
Vol Pic 50 cm^3 50 cm^3
WP2 42.2881 g 42.5712 g
WSP 47.3836 g 47.5871 g
WS 5.0955 g 5.0159 g
WSH 36.0547 g 35.971 g
WH2 30.9592 g 30.9551 g
Vhex 46.7132 cm^3 46.8055 cm^3
Vsubs 3.2868 cm^3 3.1945 cm^3
δsubs 1.55 g/cm^3 1.57 g/cm^3 1.560 g/cm^3
Relative Density (δ20/4) 1.560
Standard deviation 0.0140
Relative standard deviation 0.90
Relative density: 1.560 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: 1.560 at 20 °C.

Description of key information

Relative density: 1.56

Key value for chemical safety assessment

Relative density at 20C:

Additional information

Pycnometer method - OECD 109