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Diss Factsheets

Physical & Chemical properties

Viscosity

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Administrative data

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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:
2.845

Measurement

(repeat determination)

Measurement Temperature:100°C / 100°C

Viscometer Constant:0.002997 / 0.003003

Measured Flow Time:949.6 seconds / 949.6 seconds

Kinematic Viscosity:2.846 centistokes / 2.844 centistokes

Mean Kinematic Viscosity:2.845 centistokes

Conclusions:
A viscosity value of 2.845 mm²/s (static) was determined at 100°C in a reliable study conducted according to an appropriate test protocol. Although not conducted according to GLP.
Executive summary:

Tetradecanol was determined according ASTM D 445. The viscosity was determined to be 2.845 mm²/s at 100 °C.

Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: This information was obtained from the public IUCLID 2000 CD-ROM. Further review of the original source to reassign the reliability would not alter the overall conclusions concerning this endpoint. A source of higher reliability is available.
Principles of method if other than guideline:
Experimental measurement (information about the methodology is not available)
GLP compliance:
not specified
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
12.9
Conclusions:
A viscosity value of 12.9 mPa s was reported in secondary literature (IUCLID 2000 CD-ROM). The original reference was not available for review and no further information is available. The reliability of this result is not assignable.

Description of key information

The kinematic viscosity of tetradecan-1-ol is 2.845 mm²/s at 100°C.

Key value for chemical safety assessment

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

Additional information

A kinematic viscosity value of 2.845 mm²/s at 100°C was determined for tetradecan-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.