Benzenesulfonic acid, methyl-, C20-24 (even numbered) sec-alkyl derivs.

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

23 September - 16 November 2016

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

Deviations:

no

GLP compliance:

yes

Type of method:

rotational viscometer (dynamic)

Standard covering the apparatus used:

A rotational viscometry technique was employed using a Brookfield DV-I+ rotational viscometer.

Specific details on test material used for the study:

- Analytical purity: 94.55 %
- Expiration date: 31 December 2017
- Storage condition: at room temperature

Key result

Temp.:

20°C

Parameter:

other: cP

Value:

4.965

Remarks on result:

other: The viscosity reported is the mean of 2 measurements.

Key result

Temp.:

40°C

Parameter:

other: cP

Value:

471

Remarks on result:

other: The viscosity reported is the mean of 2 measurements.

Individual tests revealed at 20°C: 4.950 cP and 4.979 cP and at 40°C: 471.7 cP and 470.2 cP.

Conclusions:

The viscosity of the substance was determined to be 4.965 cP and 471.0 cP at 20°C and 40°C, respectively.

Description of key information

Based on a GLP study (K1, Foster, 2016) according to the OECD 114 guideline, the viscosity of the test substance at 20°C at 40°C equals 4965 cP and 471 cP respectively.

Key value for chemical safety assessment

Viscosity:

4 965 mPa · s (dynamic)

at the temperature of:

20 °C