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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Density

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Description of key information

The relative density of the substance was found to be 1.223 (mean of three replicates).

Key value for chemical safety assessment

Relative density at 20C:
1.223

Additional information

The relative density of the test substance was determined in accordance with the OECD Guideline for Testing of Chemicals 109 using the oscillating densitimeter method. The relative density of the substance was found to be 1.223 (mean of three replicates). In addition, an equivalent study was conducted on the structurally similar substance 6-[Methyl(phenylsulphonyl)amino]hexanoic acid, compound with 2,2'2''-nitrilotriethanol (1:1) (N-methyl salt). The relative density of the read-across substance was found to be 1.224 (mean of three replicates). Read-across between the registered substance and the test substance (N-methyl salt) is considered justified owing to the structural similarity of the two substances. Both are salts of a carboxylic acid and triethanolamine. The acid components are structural isomers and differ only in the position of a single methyl group in the N-methyl salt. This is not expected to change the behaviour or physical properties of the substances and both substances have shown similarity in the results of other physical endpoints such as water solubility.