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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:
Finished on July 5th, 2011
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
no
Type of method:
capillary viscometer (static)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
> 2.846 - < 2.854

It is possible to calculate the variation of the dynamic viscosity as a function of the temperature between 20 and 40°C:

              η(in mPa.s) = 7.215 – 3.3548log t(in °C) ; with a correlation coefficient R = 0.998

Conclusions:
The dynamic viscosity at 20°C is measured at : 2.85 mPA.s
Executive summary:

The kinematic viscosity is measuredwith a Schott-Mainz Ubbelohde capillary viscometer with a suspended level bulb (Standard ISO 3104; method OECD 114 - (8) -) with the same constant temperature bath used to get the density of DIMETHYL-2 -METHYL GLUTARATE.

It is possible to calculate the variation of the dynamic viscosity as a function of the temperature between 20 and 40°C:

              η(in mPa.s) = 7.215 – 3.3548log t(in °C) ; with a correlation coefficient R = 0.998

The dynamic viscosity at 20°C is measured at : 2.85 mPA.s

Description of key information

The dynamic viscosity at 20°C is measured at : 2.85 mPA.s

Key value for chemical safety assessment

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

Additional information

One experimental study, scored as Klimisch 2, is available (De Lanty P., 2011) and selected as a key study.