Fatty acids, C18-unsatd., reaction products with acrylic acid and polyethylenepolyamines

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Test was conducted to Method 114 of the OECD Guidelines for Testing of Chemicals and under GLP.

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

GLP compliance:

yes (incl. QA statement)

Type of method:

rotational viscometer (dynamic)

Key result

Temp.:

20°C

Parameter:

dynamic viscosity (in mPa s)

Value:

2 137

Key result

Temp.:

40°C

Parameter:

dynamic viscosity (in mPa s)

Value:

537.4

The viscometer rotational speed, sheer rate, sheer stress, viscosity, actual sample temperature and percentage torque for each determination are shown in the following tables:

Table 3.2 – 20.0 ± 0.5 °C

Rotational Speed (rpm)	Shear Rate (sec-1)	Shear Stress (N/m2)	Viscosity (mPa.s)	Temperature (°C)	Torque (%)
12	4.08	8.73	2.140 x 10^3	20.0	85.6
12	4.08	8.71	2.135 x 10^3	20.0	85.4
12	4.08	8.72	2.137 x 10^3	20.0	85.5

Mean Viscosity = 2.137 x 10^3 mPa.s

Table 3.3 – 40.0 ± 0.5 °C

Rotational Speed (rpm)	Shear Rate (sec-1)	Shear Stress (N/m2)	Viscosity (mPa.s)	Temperature (°C)	Torque (%)
12	4.08	2.19	5.374 x 10^2	40.1	21.5
12	4.08	2.19	5.374 x 10^2	40.1	21.5
12	4.08	2.19	5.374 x 10^2	40.1	21.5

Mean Viscosity = 5.374 x 10^2 mPa.s

3.1.3 Conclusion

The viscosity of the test item has been determined at 20.0 ± 0.5 °C and 40.0 ± 0.5 °C, the results are shown in the following table:

Table 3.4

Temperature (°C)	Viscosity (mPa.s)
20.0 ± 0.5 °C	2.137 x 10^3
40.0 ± 0.5 °C	5.374 x 10^2

Conclusions:

The rotational viscometer method compatible with Method 114 of the OECD Guidelines for Testing of Chemicals was used to study the viscosity of the test substance PR-4758, and the vicosity was measured as 2.137 x 10^3 mPa.s at 20 deg C and 5.374 x 10^2 mPa.s at 40 deg C.

Executive summary:

The rotational viscometer method compatible with Method 114 of the OECD Guidelines for Testing of Chemicals was conducted under GLP to study the viscosity of the test substance PR-4758, and the vicosity was measured as 2.137 x 10^3 mPa.s at 20 deg C and 5.374 x 10^2 mPa.s at 40 deg C

Description of key information

Viscosity = 2.137 * 10^3 and 5.374 * 10^2 mPa.s at 20 and 40 °C, respectively; OECD guideline 114 (1981); Jein, 2013

Key value for chemical safety assessment

Viscosity:

2 137 mPa · s (dynamic)

at the temperature of:

20 °C

Additional information

One key study is available which derived viscosity of PR-4758. The study was conducted in accordance with OECD guideline 114 to GLP standards at a GLP certified laboratory.