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Diss Factsheets

Physical & Chemical properties

Viscosity

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-09-29
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 D445
Deviations:
no
GLP compliance:
no
Type of method:
capillary viscometer (static)
Key result
Temp.:
other: 100.0°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
4.006

Measurement(repeat determination)

Measurement Temperature:100°C / 100°C

Viscometer Constant:0.00998 / 0.00967

Measured Flow Time:401.2 seconds / 414.2 seconds

Kinematic Viscosity:4.004 centistokes / 4.007 centistokes

Mean Kinematic Viscosity:4 .006 centistokes

Conclusions:
A kinematic viscosity value of 4.006 mm²/s at 100°C was determined for the substance according to ASTM D 445. The result is considered to be reliable.
Executive summary:

Octadecan-1-ol was determined according ASTM D 445. The viscosity was determined to be 4.006 mm²/s at 100 °C.

Description of key information

The kinematic viscosity of octadecan-1-ol is 4.006 mm²/s at 100°C.

Key value for chemical safety assessment

Viscosity:
4.006 mm²/s (static)
at the temperature of:
100 °C

Additional information

The kinematic viscosity of 4.006 mm²/s at 100°C was determined for octadecan-1-ol with the use of a capillary method in accordance with ASTM D445. 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.