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EC number: 211-546-6 | CAS number: 661-19-8
Viscosity
Administrative data
Link to relevant study record(s)
- 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
- 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
- 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.
Reference
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
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.
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