Registration Dossier

Physical & Chemical properties

Viscosity

Currently viewing:

Administrative data

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:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
rotational viscometer (dynamic)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
1 200 000
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
150 000

The test material was found to be Newtonian in its flow behaviour under the specified test conditions (see Table 1).


 


Table 1: Determination of viscosity at varied spindle speed


 
















































































































































































Spindle speed


(rpm)



Viscosity


(mPa.s)



 



20 °C



40 °C



 



Sample A



Sample B



Sample A



Sample B



0.50



1288000



1200000



--



--



0.60



1280000



1200000



--



--



1.00



1272000



1192000



--



--



1.50



1259000



1181000



--



--



2.00



1246000



1166000



--



--



2.50



1237000



1155000



--



--



3.00



1228000



1147000



153300



146700



4.00



--



--



153000



145000



5.00



--



--



153600



144800



10.0



--



--



152400



143600



20.0



--



--



148400



140000



20.0



--



--



150000



141000



10.0



--



--



152800



144000



5.00



--



--



153600



145600



4.00



--



--



154000



147000



3.00



--



--



153300



146700



2.50



1242000



1160000



--



--



2.00



1250000



1172000



--



--



1.50



1261000



1179000



--



--



1.00



1272000



1188000



--



--



0.60



1280000



1200000



--



--



0.50



1296000



1208000



--



--



 

Description of key information

1'200'000 mPa.s at 20°C and 150'000 mPa.s at 40°C (OECD 114)

Key value for chemical safety assessment

Viscosity:
120 000 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

The test material showed Newtonian flow behaviour under the test conditions.