Rectified Hydrocarbons by-products from synthetic process of Turpentine and acid

Viscosity

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

18 February 2019

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Remarks:

Test method according to OECD Guideline 114. GLP study.

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

Deviations:

no

Qualifier:

according to guideline

Guideline:

ISO 3104 (Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

capillary viscometer (static)

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

1.46

Key result

Temp.:

40°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

1.11

Table 1: The results of viscosity determination

Test No.	Test temperature	Flow time t	The difference of flow time of two consecutive measurements	Viscosity ν	The difference between any and average viscosity t
	[ºC]	[ s ]	[ % ]	[mm2/s]	[ % ]
1.	20	503.72	0.04	1.4618	0.02
2.	20	503.51		1.4612	0.02
			Average	1.4615	-
1.	40	382.66	0.06	1.1105	0.03
2.	40	382.88		1.1111	0.03
			Average	1.1108	-

Conclusions:

The determined average kinematic viscosity of the tested material is 1.46 mm2/s at 20ºC and 1.11 mm2/s at 40ºC.

Executive summary:

The determination of viscosity of test item was performed according to OECD Guideline 114 and ISO 3014, using Ubbelohde capillary viscometer to measure the kinematic viscosity. The experiment was conducted in two replications at 20ºC and 40ºC. The determined average kinematic viscosity of the test item was 1.46 mm2/s at 20ºC and 1.11 mm2/s at 40ºC.

Reference 2

Endpoint:

viscosity

Type of information:

other: company data

Adequacy of study:

supporting study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

comparable to guideline study with acceptable restrictions

Qualifier:

equivalent or similar to guideline

Guideline:

ISO 3104 (Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity)

GLP compliance:

no

Type of method:

capillary viscometer (static)

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

1.502

Remarks on result:

other: Experiment 1

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

1.504

Remarks on result:

other: Experiment 2

Conclusions:

The kinematic viscosity of the test item was determined to be 1.5018-1.5039 mm2/s at 20ºC.

Executive summary:

The determination of viscosity of the test item was performed using the Cannon-Fenske Viscometer (ISO 3104). Two independent experiments were conducted at 20ºC. The kinematic viscosity of the test item was determined to be 1.5018-1.5039 mm2/s.

Description of key information

Key study: OECD Guideline 114. GLP study: The determined average kinematic viscosity of the tested material is 1.46 mm2/s at 20ºC and 1.11 mm2/s at 40ºC.

Supporting study: Cannon-Fenske Viscometer (ISO 3104). The kinematic viscosity of the test item was determined to be 1.5018-1.5039 mm2/s.

Key value for chemical safety assessment

Viscosity:

1.46 mm²/s (static)

at the temperature of:

20 °C

Additional information

Key study: The determination of viscosity of test item was performed according to OECD Guideline 114 and ISO 3014, using Ubbelohde capillary viscometer to measure the kinematic viscosity. The experiment was conducted in two replications at 20ºC and 40ºC. The determined average kinematic viscosity of the test item was 1.46 mm2/s at 20ºC and 1.11 mm2/s at 40ºC.