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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
GLP compliance:
yes (incl. certificate)
Type of method:
capillary viscometer (static)
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
27.8
Remarks on result:
other: calculated with a density of the test item of ρ = 0.9515 g/cm3
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
10.7
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
29.2
Remarks on result:
other: calculated with a density of the test item of ρ = 0.9358 g/cm3
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
11.4

Results:

Viscosity determination of the test item at 20°C

 

kinematic viscosity

dynamic viscosity *

1 st determination

29.2681 mm2/s

27.8486 mPa·s

2 nd determination

29.0885 mm2/s

27.6777 mPa·s

mean value

29.2 mm2/s

27.8 mPa·s

*calculated with a density of the test item of p = 0.9515 g/cm3 (measured by oscillating densitometer at 20°C)

Viscosity determination of the test item at 40°C

 

kinematic viscosity

dynamic viscosity *

1stdetermination

11 .4669 mm2/s

10.7307 mPa·s

2nddetermination

11 .4221 mm2/s

10.6888 mPa·s

mean value

11 .4 mm2/s

10.7 mPa·s

* calculated with a density of the test item of p = 0.9358 g/cm3 (measured by oscillating densitometer at 40°C)

The estimated accuracy is ± 1 %.

Description of key information

The dynamic viscosity of N,N'-bis(3-aminopropyl)ethylenediamine is 27.8 mPa*s at 20°C and 10.8 mPa*s at 40°C.
The kinematic viscosity of N,N'-bis(3-aminopropyl)ethylenediamine is 29.2 mm2/s at 20°C and 11.4 mm2/s at 40°C.

Key value for chemical safety assessment

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

Additional information