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Physical & Chemical properties

Appearance / physical state / colour

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Reference
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted according to OECD Guidelines and to GLP
Qualifier:
equivalent or similar to
Guideline:
other: OECD 435 - In Vitro Membrane Barrier Test Method for Skin Corrosion
GLP compliance:
yes (incl. certificate)
Physical state at 20°C and 1013 hPa:
liquid
Form:
viscous
Colour:
Brown
Substance type:
petroleum product
Conclusions:
The test material, Benzene mono-C10-13-alkyl derivatives, distillation residues, sulfonated, sodium salts, is shown to be an opaque, brown, viscous liquid.
Executive summary:

The test material, Benzene mono-C10-13-alkyl derivatives, distillation residues, sulfonated, sodium salts, is shown to be an opaque, brown, viscous liquid.

Description of key information

Benzene mono-C10-13-alkyl derivatives, distillation residues, sulfonated, 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:
liquid

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 "benzene mono-C10-13-alkyl derivatives, distillation residues, sulfonated, sodium salt" (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 "benzene mono-C10-13-alkyl derivatives, distillation residues, sulfonated, sodium salts" from solid to liquid.