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Physical & Chemical properties

Appearance / physical state / colour

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Description of key information

Benzenesulfonic acid, di-C10-14-alkyl derivs., sodium salts it is known to be a brown viscous liquid.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:

Additional information

The visual description of the colour and the physical state (at 20°C and 1013 hPa) result in the following: the test substance “benzenesulfonic acid, di-C10-14-alkyl derivs., sodium salts” (that is from organic origin) is a viscous, brown coloured (clear) liquid. It should be noted that the substance is produced, supplied and marketed in the presence of a liquid mineral oil solvent. Removal of this solvent is expected to cause a change in the equilibrium of the chemical structure of the alkylated benzene sulfonates resulting in a degradation of the chemical structure to a structure that is not representative of the substance being placed on the market in the EU. Finally, the presence of the mineral oil solvent changes the physical state of the substance “benzenesulfonic acid, di-C10-14-alkyl derivs., sodium salts” from solid to liquid.