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Physical & Chemical properties

Density

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Description of key information

1.17 at 20 °C

Key value for chemical safety assessment

Relative density at 20C:
1.17

Additional information

In order to estimate the relative density of the substance sulfuric acid, mono-C8-14 alkyl esters, ammonium salts, compds. with triethanolamine (CAS No. 96690-74-3), the results obtained experimentally for sulfuric acid, mono-C8-14 alkyl esters, ammonium salts (CAS No. 90583-10-1) and for sulfuric acid, mono-C8-14 alkyl esters, compound with triethanolamine (CAS No. 85665-45-8) are used in a weight of evidence approach. The two read-across substances can be seen as complementary to each other, providing both counter ions present in the target substance. The measured relative values are to a good approximation equal (1.173 for 90583-10-1 and 1.171 for 85665-45-8) and both can be rounded to 1.17, which is the value accepted to be used for a chemical safety assessment.

The relative density of both analogue substances was determined by pycnometer method according to OECD Guideline 109.