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relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 27, 2022
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. 1.732
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 39.759 g 41.07833 g
WHP 72.754 g 74.0710 g
WH1 32.9950 g 32.9927 g
δHex 0.660 g/cm^3 0.660 g/cm^3 0.654 g/cm^3
Vol Pic 50 cm^3 50 cm^3
WP2 39.759 g 41.0787 g
WSP 44.6710 g 45.9894 g
WS 4.9120 g 4.9107 g
WSH 36.0374 g 36.0296 g
WH2 31.1254 g 31.1189 g
Vhex 47.1668 cm^3 47.1603 cm^3
Vsubs 2.8332 cm^3 2.8397 cm^3
δsubs 1.734 g/cm^3 1.729 g/cm^3 1.732 g/cm^3
Relative Density (δ20/4) 1.732
Standard deviation 0.0032
Relative standard deviation 0.18
Relative density: 1.732 at 20 °C.
Executive summary:


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.


Relative density: 1.732 at 20 °C.

Description of key information

Relative density: 1.732 

Key value for chemical safety assessment

Relative density at 20C:

Additional information

Pycnometer method - OECD 109