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Physical & Chemical properties


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relative density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
October 2017 - March 2018
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
OECD Guideline 109 (Density of Liquids and Solids)
according to guideline
EU Method A.3 (Relative Density)
GLP compliance:
yes (incl. QA statement)
Type of method:
pycnometer method
Specific details on test material used for the study:
Identity: Triazolone
Appearance: Off-white powder
Storage conditions: Room temperature (15 to 25°C), dark
Batch number: 0727/16
Purity: 99%
Expiry date: 28 April 2019
Date received: 28 April 2017
Dynamic viscosity of test material:
Analytical balance: Model MSE225S-100-DU, Sartorius Instruments
Pyknometer: Glass, nominal 25 cm3 capacity at 20°C, fitted with capillary stopper
Key result
relative density
1.54 other: no unit
20 °C


The relative density of Triazolone was found to be 1.54.
Executive summary:

A study was performed to determine some physicochemical properties of the test item, Triazolone. The methods followed are amongst those described in Council Regulation (EC) No. 440/2008 and the OECD Guidelines for the Testing of Chemicals. The physicochemical properties which have been determined in this study are detailed below, together with the result obtained for each test.

The relative density of Triazolone was found to be 1.54.

Description of key information

The relative density of Triazolone was found to be 1.54

Key value for chemical safety assessment

Relative density at 20C:

Additional information