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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-10-05
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Remarks:
Test procedure in accordance with national standard methods (ASTM) without GLP.
Qualifier:
according to guideline
Guideline:
other: ASTM D7042
Deviations:
no
GLP compliance:
no
Type of method:
other: Stabinger Viscosimeter
Key result
Temp.:
other: 80.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
6.4
Key result
Temp.:
other: 80.0°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
8

Calibration

Date: 2009 -10 -05

Operator: J.Wolter

reference sample: Brookfield Standard Ser. No. A56933

dynamic viscosity (theory): 99.0 mPas

temperature: 25.0 °C

dynamic viscosity (experimental): 97.8 mPas

Measurement

(tripple determination)

density in g/ml: 0.8013 / 0.8013 / 0.8014

kinematic viscosity in mm²/s: 8.0 / 8.0 / 8.0

dynamic viscosity in mPas: 6.4 / 6.4 / 6.4

atmospheric pressure in mBar: 1013.3 / 1013.3 / 1013.3

Conclusions:
A dynamic viscosity value of 6.4 mPas at 80°C was determined for the substance using a relevant test method. The result is considered to be reliable.
Executive summary:

Eicosan-1 -ol was determined according ASTM D 7042. The viscosity was determined to be 6.4 mPas at 80°C.

Description of key information

The dynamic viscosity of icosan-1-ol is 6.4 mPa.s (8 mm²/s) at 80°C.

Key value for chemical safety assessment

Viscosity:
8 mm²/s (static)
at the temperature of:
80 °C

Additional information

The dynamic viscosity of 6.4 mPa.s (8 mm²/s) at 80°C was determined for icosan-1-ol in accordance with ASTM D7042. The result is considered to be reliable.

Discussion of trends in the Category of C6-24 linear and essentially-linear aliphatic alcohols:

As chain length increases, kinematic viscosity increases. This is because molecular weight is higher and intermolecular forces in the substance are all higher.

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