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Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 29 February 2016 to 9 March 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
Qualifier:
according to
Guideline:
ISO 3104 (Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity)
Deviations:
no
Guideline:
ISO 3105 (Glass capillary kinematic viscometers - Specifications and operating instructions)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
capillary viscometer (static)
Standard covering the apparatus used:
The apparatus used was a Ubbelohde no. D - 199 capillary viscometer.
Specific details on test material used for the study:
- Analytical purity: 92%
- Expiration date of the lot/batch: 13.10.2017
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
ca. 8.22
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
4.64

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 viscosityt

 

[oC]

[ s ]

[%]

[mm2/s]

[%]

1.

20

815.42

0.04

8.2194

0.02

2.

20

815.76

8.2229

0.02

 

 

 

Average

8.2212

-

1

40

460.59

0.05

4.6427

0.03

2

40

460.81

4.6450

0.03

 

 

Average

4.6439

-

Conclusions:
The viscosity of the test substance was 8.22 mm2/s at 20ºC and 4.64 mm2/s at 40ºC.
Executive summary:

The aim of this study was the determination of the kinematic viscosity of the test substance according to the OECD Guideline 114 with GLP. The method for analysis was the capillary viscometer (static) method and the apparatus used was the Ubbelohde capillary viscometer. This parameter was determined at 20ºC and 40ºC. Results indicated that the viscosity of the test substance was 8.22 mm2/s at 20ºC and 4.64 mm2/s at 40ºC.

Description of key information

Key study: Klimisch 1. Following the OECD Guideline 114. GLP study. The kinematic viscosity of the test substance was 8.22 mm2/s at 20ºC and 4.64 mm2/s at 40ºC.

Key value for chemical safety assessment

Viscosity:
8.22 mm²/s (static)
at the temperature of:
20 °C

Additional information