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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:
11th October, 2011
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:
not specified
Type of method:
rotational viscometer (dynamic)
Specific details on test material used for the study:
Batch # 7683104
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
332
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
117

 System check (20 °C)    Spindle no. 3/63
 Date: 2016 -03 -24  value  unit
 Rotation speed  30  rpm
 Reference oil, certified  3180  mPa*s
 Reference oil, measurement  3120  mPa.s

 Sample measurement (20 °C)    Spindle no. 61
 Rotation speed  Torque  Viscosity
 (rpm)  (%)  (mPa*s)
 2.5  15  339
 4  23  333
 5  287  329
 10  55  329
 10  55  330
 5  28  331
 4  22  334
 2.5  14  335
 Dynamic viscosity (average)    332

 Sample measurement (40 °C)    Spindle no. 00
 Rotation speed  Torque  Viscosity
 (rpm)  (%)  (mPa*s)
 1  20  121
 2  38  116
 2.5  48  116
 4  77  115
 4  77  115
 2.5  48  117
 2  38  117
 1  20  120
 Dynamic viscosity average    117
Conclusions:
The dynamic viscosity of the test item was determined to be 332 mPa*s at 20 °C and 117 mPa*s at 40 °C.
Executive summary:

The dynamic viscosity of the test item was determined using OECD TG 114 (rotating disk method). The dynamic viscosity of the test item was determined to be 332 mPa*s at 20 °C and 117 mPa*s at 40 °C.

Description of key information

The dynamic viscosity of the test item was determined to be 332 mPa*s at 20°C and 117 mPa*s at 40°C.

Key value for chemical safety assessment

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

Additional information

The dynamic viscosity of the test item was determined using OECD TG 114 (rotating disk method). The dynamic viscosity of the test item was determined to be 332 mPa*s at 20°C and 117 mPa*s at 40°C.