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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:
2009-10-06
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:
other: ASTM D 7042
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:
7.8
Key result
Temp.:
other: 80.0°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
9.67

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:0.8038 / 0.8042 / 0.8043

kinematic viscosity in mm²/s:9.56 / 9.72 / 9.74

dynamic viscosity in mPas:7.68 / 7.81 / 7.83

atmospheric pressure in mBar:1009.9 / 1009.9 / 1009.9

Conclusions:
A dynamic viscosity value of 7.8 mPa.s (9.7 mm2/s) at 80°C was determined for the substance using a relevant test method. The result is considered to be reliable.
Executive summary:

Docosan-1 -ol was determined according ASTM D 7042. The viscosity was determined to be 7.8 mPas at 80°C.

Description of key information

The viscosity of docosan-1-ol is 7.8 mPa.s (9.7 mm²/s) at 80°C.

Key value for chemical safety assessment

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

Additional information

A static viscosity value of 7.8 mPa.s (9.7 mm²/s) at 80°C was determined for docosan-1-ol in accordance with ASTM D 7042. 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.